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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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A record is under an engine, a drive or a series only where it says so: the characters of the vehicle identification number filed with a complaint, its text, or what its document says it applies to. A record that does not say is kept as "not stated". The filed numbers and the documents do not tell 4WD from AWD.

Common on this vehicle:Warning lightNoiseLeakStalls or shuts offGauge or instrument faultVibration or shudderLoss of engine power, no accelerationCorrosion or rust

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Record by record

113 records state a cause or a remedy. Each record is shown as short labels in the order fault → finding the cause → correction. Press a label to narrow to the records that state it.

Symptom

Component named as the cause

Work done

How it is said to have ended

  • says it held for a while1
  • says it came back4
  • says it did not fix it9
  • result not stated6

A ribbon is as wide as the records that state both of its ends (only the commonest are drawn). A record that names several symptoms or components runs through each. Orange is records that say the fault came back or was not fixed. Results come from owners’ reports only; one that does not say is “result not stated”. None of this is a likelihood of a cause or a rate at which work succeeds.

Read the records one by one (18)

ENGINE AND ENGINE COOLING5

  1. Manufacturer communication2002–2006 GMC YUKON XL DENALI ・ 2023-04-13(2 earlier editions of this document folded here)

    Diagnostic tip on valve, lifter or camshaft issues

    1. 1Fault

      • Misfire, chirp, squeak, squeal or tick noise, with the MIL illuminated and DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and/or P0308 set.

    2. 2Finding the cause

      Possible causes

      • A worn cam lobe on this engine family generally creates a consistent chirp, squeak, squeal or tick at camshaft speed and/or a misfire with a P0300-P0308 DTC.

      Steps to confirm (in the document’s order)

      1. A verified noise is not eliminated by canceling fuel injectors and occurs at camshaft speed (half of crankshaft speed).
      2. If applying pressure to the valve side of a rocker changes the noise, a lifter and/or cam lobe concern on that cylinder is most likely.
      3. Measure cam lobe lift at the push rod side of the rocker arm; it differs from the SI specification but should be similar to the other rockers on the same bank.
      4. A bore scope or pen light helps when inspecting the cam lobes through the lifter bores; a damaged lobe is easy to overlook.
      5. A good indicator of a sticking valve is that misfires continue to count on an aggressive deceleration with engine braking.
      2 more points

    3. 3Correction

      Repair

      1. If a worn camshaft lobe or lifter roller is found, replace the camshaft and all lifters following SI procedures.
      2. If force is needed to tap the valve off its seat, excessive carbon build up exists, which may be repaired by decarbonizing the engine.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：GM passenger cars and trucks with V6/V8 pushrod engines, model years 2002 to 2023.
    • Condition：Misfire, chirp, squeak, squeal or tick noise, with the MIL illuminated and DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and/or P0308 set.
    • Confirm：A verified noise is not eliminated by canceling fuel injectors and occurs at camshaft speed (half of crankshaft speed).
    • Cause：A worn cam lobe on this engine family generally creates a consistent chirp, squeak, squeal or tick at camshaft speed and/or a misfire with a P0300-P0308 DTC.
    • Confirm：If applying pressure to the valve side of a rocker changes the noise, a lifter and/or cam lobe concern on that cylinder is most likely.
    • Confirm：Measure cam lobe lift at the push rod side of the rocker arm; it differs from the SI specification but should be similar to the other rockers on the same bank.
    • Confirm：A bore scope or pen light helps when inspecting the cam lobes through the lifter bores; a damaged lobe is easy to overlook.
    • Repair：If a worn camshaft lobe or lifter roller is found, replace the camshaft and all lifters following SI procedures.
    • Confirm：A good indicator of a sticking valve is that misfires continue to count on an aggressive deceleration with engine braking.
    • Repair：If force is needed to tap the valve off its seat, excessive carbon build up exists, which may be repaired by decarbonizing the engine.
    • Confirm：Valve leakage is typically isolated by the Cylinder Leakage Test in SI, which finds excessive leakage past an intake or exhaust valve compared with the others.
    • Confirm：The two pieces of a broken valve spring may stay stacked together and be hard to see; lightly pushing on different places on the springs with a small hammer handle may help.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

  2. Manufacturer communication2000–2006 GMC YUKON XL DENALI ・ 2023-01-06(2 earlier editions of this document folded here)

    EVAP Leak Diagnostic Service Bulletin (DTCs P0442/P0455)

    1. 1Fault

      • The MIL is illuminated, and DTC P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected) may be set in the ECM.

    2. 2Finding the cause

      Possible causes

      • P0455 sets because of a large leak or a purge blockage: an unseated tube connection, a damaged tube, a canister vent valve stuck open, or a purge valve stuck closed.
      • P0442 sets because of a small leak, which can come from a purge valve stuck open or a canister vent valve stuck open.

      Steps to confirm (in the document’s order)

      1. Inspect every purge connection for proper installation, and look along the lines for damage or wear; if damage is seen, confirm it with the smoke test.
      2. Some leaks show only under pressure and some only under vacuum, so check both ways; cycling the purge and vent solenoids with GDS2 while inspecting may show a sticking valve.
      3. Critical connections to check include: purge tube to purge valve (at the intake manifold), purge tube to chassis EVAP line (rear of the engine, near the transmission), chassis EVAP line to canister, and fuel tank load line to canister.
      4. Also check the vent valve line at the vent valve, the fuel tank load line jumper connection near the fuel tank, and that the fuel tank cap is closed properly.
      5. If all connections are good, check the vent valve for a stuck-open position; if the vent valve works correctly, go on to the purge valve.
      1 more points

    3. 3Correction

      Parts

      • No parts are required for this repair.

      Caution

      • For diagnostic instructions, DTC information and required tools, always follow the service information document for the vehicle and DTC being worked on.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：This bulletin only applies to vehicles with gasoline engines.
    • Condition：The MIL is illuminated, and DTC P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected) may be set in the ECM.
    • Cause：P0455 sets because of a large leak or a purge blockage: an unseated tube connection, a damaged tube, a canister vent valve stuck open, or a purge valve stuck closed.
    • Cause：P0442 sets because of a small leak, which can come from a purge valve stuck open or a canister vent valve stuck open.
    • Confirm：Inspect every purge connection for proper installation, and look along the lines for damage or wear; if damage is seen, confirm it with the smoke test.
    • Confirm：Some leaks show only under pressure and some only under vacuum, so check both ways; cycling the purge and vent solenoids with GDS2 while inspecting may show a sticking valve.
    • Confirm：Critical connections to check include: purge tube to purge valve (at the intake manifold), purge tube to chassis EVAP line (rear of the engine, near the transmission), chassis EVAP line to canister, and fuel tank load line to canister.
    • Confirm：Also check the vent valve line at the vent valve, the fuel tank load line jumper connection near the fuel tank, and that the fuel tank cap is closed properly.
    • Confirm：If all connections are good, check the vent valve for a stuck-open position; if the vent valve works correctly, go on to the purge valve.
    • Confirm：Work in this order: EVAP lines properly installed and fully seated; damage on the EVAP lines; vent valve malfunction; purge valve malfunction.
    • Parts：No parts are required for this repair.
    • Caution：For diagnostic instructions, DTC information and required tools, always follow the service information document for the vehicle and DTC being worked on.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

  3. Manufacturer communication2000–2006 GMC YUKON XL DENALI ・ 2022-09-07

    MIL Illuminated with Fuel Trim and Oxygen Sensor Codes

    1. 1Fault

      • Customers may comment that the MIL is illuminated.
      • Initial diagnosis may show fuel trim and O2 sensor related codes including P0101, P0137, P0138, P0140, P0141, P0157, P0158, P0160 and P0161.
      • The listed codes also include P0171, P0174, P0420, P0430, P1174 and P1175.

    2. 2Finding the cause

      Possible causes

      • These methods find small leaks around the O2 sensor embossments and slight cracks in an intake plenum or gasket.

      Steps to confirm (in the document’s order)

      1. If normal SI diagnostics do not lead to a resolution and an intake vacuum leak or exhaust leak is suspected, use the GE-52250 Variable Pressure Leak Detector (preferred), the J-41416 ultrasonic leak tester, or possibly soapy water with low pressure air into the tailpipe to find the leak.
      2. For an intake leak, introduce the smoke into the brake booster hose or the oil dipstick tube; soapy water can be sprayed near the gasket, seams and all vacuum nipples.
      3. For an exhaust leak, put the hose with smoke or air into the tailpipe sealed with shop towels, then spray soapy water around seals, seams and bosses.

    3. 3Correction

      Parts

      • No parts are required for this repair.

      Caution

      • All of these tests are much more effective if the throttle body is covered or sealed.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to Buick, Cadillac, Chevrolet and GMC passenger cars and trucks, model years 2000 to 2022, gasoline engines only.
    • Condition：Customers may comment that the MIL is illuminated.
    • Condition：Initial diagnosis may show fuel trim and O2 sensor related codes including P0101, P0137, P0138, P0140, P0141, P0157, P0158, P0160 and P0161.
    • Condition：The listed codes also include P0171, P0174, P0420, P0430, P1174 and P1175.
    • Confirm：If normal SI diagnostics do not lead to a resolution and an intake vacuum leak or exhaust leak is suspected, use the GE-52250 Variable Pressure Leak Detector (preferred), the J-41416 ultrasonic leak tester, or possibly soapy water with low pressure air into the tailpipe to find the leak.
    • Caution：All of these tests are much more effective if the throttle body is covered or sealed.
    • Confirm：For an intake leak, introduce the smoke into the brake booster hose or the oil dipstick tube; soapy water can be sprayed near the gasket, seams and all vacuum nipples.
    • Confirm：For an exhaust leak, put the hose with smoke or air into the tailpipe sealed with shop towels, then spray soapy water around seals, seams and bosses.
    • Cause：These methods find small leaks around the O2 sensor embossments and slight cracks in an intake plenum or gasket.
    • Parts：No parts are required for this repair.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.

  4. Manufacturer communication2000–2006 GMC YUKON XL ・ 2021-04-19(2 earlier editions of this document folded here)

    Induction System Icing Inspection in Cold Ambient Temperatures

    1. 1Fault

      • The check engine light comes on and engine performance is poor in very cold ambient temperatures.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance. Â

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Vehicles equipped with turbocharged gasoline engines, which may set DTC P0299 or P2227.
    • Condition：The check engine light comes on and engine performance is poor in very cold ambient temperatures.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance. Â

  5. Manufacturer communication2000–2006 GMC YUKON XL ・ 2020-11-16(1 earlier editions of this document folded here)

    Misfire and DTC Code Diagnostic Information Notification

    1. 1Fault

      • The vehicle has a misfire with DTCs P0300 - P0308 and/or P050D set.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. Establish whether the misfire can be felt; if it cannot, remove the accessory drive belt if possible and evaluate.
      2. Perform the fuel injector balance test and record the results.
      3. Check for a possible fuel quality issue, especially with a cold engine hard start and/or a misfire on all cylinders.
      4. Check the ignition supply voltage to the ignition module/coil assemblies and to the fuel injectors.
      5. Complete a compression test, static and running, and record the results.
      5 more points

    3. 3Correction

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all brands, models and engines, 2000 - 2021.
    • Condition：The vehicle has a misfire with DTCs P0300 - P0308 and/or P050D set.
    • Confirm：Establish whether the misfire can be felt; if it cannot, remove the accessory drive belt if possible and evaluate.
    • Confirm：Perform the fuel injector balance test and record the results.
    • Confirm：Check for a possible fuel quality issue, especially with a cold engine hard start and/or a misfire on all cylinders.
    • Confirm：Check the ignition supply voltage to the ignition module/coil assemblies and to the fuel injectors.
    • Confirm：Complete a compression test, static and running, and record the results.
    • Confirm：Complete a cylinder leakage test if needed and record the results.
    • Confirm：Note whether the fuel trims are rich or lean.
    • Confirm：Inspect the spark plugs for anything abnormal.
    • Confirm：Swap components from the misfiring cylinder to known good locations.
    • Confirm：Confirm that a crankshaft variation learn has been completed.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

ELECTRICAL SYSTEM3

  1. Owner complaint2003 GMC YUKON XL 1500 ・ 2016-06-16

    Reduced engine power warning light flashing randomly, speed reduced to less than 20 MPH

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    THE CONTACT MENTIONED THAT THE PREVIOUS OWNER OF THE VEHICLE EXPERIENCED A FAILURE WITH THE REDUCED ENGINE POWER WARNING INDICATOR. (1 more)
    Remedy
    THE DEALER REPLACED THE THROTTLE BODY, BUT THE FAILURE CONTINUED BEFORE THE CONTACT OWNED THE VEHICLE. (2 more)
    Outcome
    THE REPAIRS FAILED TO PROVIDE A PERMANENT SOLUTION AND THE WARNING LIGHT CONTINUED TO ILLUMINATE FOR THE REDUCED ENGINE POWER.

  2. Owner complaint2003 GMC YUKON XL ・ 2010-02-16

    Vehicle stalls while in motion and when braking

    1. 1Fault

    2. 2Finding the cause

      FIGURED OUT IT MAY BE RUNNING OUT OF GAS DUE TO THE GAUGE NOT WORKING.

    3. 3Correction

    Read the sentences of the record
    Fault
    VEHICLE STALLS WHILE IN MOTION. (1 more)
    Cause
    FIGURED OUT IT MAY BE RUNNING OUT OF GAS DUE TO THE GAUGE NOT WORKING.
    Remedy
    REPLACED THE FUEL FILTER TWICE. (1 more)

  3. Manufacturer communication2005–2006 GMC YUKON XL 2500 ・ 2024-05-16(6 earlier editions of this document folded here)

    Aftermarket ALDL/DLC Interface Device Concerns

    1. 1Fault

      • Customers report various issues related to high or low speed data bus traffic.
      • Bus or LAN traffic may stay active, leading to a discharged vehicle battery.
      • C0561 stored in the EBCM, leading to a traction control issue.
      • SES, MIL or CEL light on with numerous communication DTCs such as U0100, U0101, U186B and U1862.

    2. 2Finding the cause

      Possible causes

      • Monitoring devices and other electronic accessories such as aftermarket cruise control or police speed checking devices (RADAR or LIDAR) may cause one or more of the listed concerns.
      • Many of the problems could come from an open connection on the HSCAN bus; a device that connects to only one CAN + causes bus errors and erratic ECU behavior.

      Steps to confirm (in the document’s order)

      • If normal SI diagnostics find no other root cause, check for a device plugged into the ALDL or Data Link Connector (DLC) for tracking and/or maintenance interval scheduling.

    3. 3Correction

      Repair

      1. If SI diagnostics do not find the source and the device is available, try to duplicate the condition, then remove the device to see whether the condition is eliminated.
      2. If removing the DLC interface device resolves the concern, tell the customer the result and that they should work with the device's supplier for further resolution.

      Caution

      • The device and the rest of its harness can be hidden out of sight, and the technician may not notice that the diagnostic connector is not in the factory location.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2025 and prior GM passenger cars and trucks (including BrightDrop).
    • Applies to：The bulletin is written with a focus on full size trucks, full size vans and other fleet vehicles, but could apply to any vehicle.
    • Condition：Customers report various issues related to high or low speed data bus traffic.
    • Condition：Bus or LAN traffic may stay active, leading to a discharged vehicle battery.
    • Condition：C0561 stored in the EBCM, leading to a traction control issue.
    • Condition：SES, MIL or CEL light on with numerous communication DTCs such as U0100, U0101, U186B and U1862.
    • Confirm：If normal SI diagnostics find no other root cause, check for a device plugged into the ALDL or Data Link Connector (DLC) for tracking and/or maintenance interval scheduling.
    • Cause：Monitoring devices and other electronic accessories such as aftermarket cruise control or police speed checking devices (RADAR or LIDAR) may cause one or more of the listed concerns.
    • Cause：Many of the problems could come from an open connection on the HSCAN bus; a device that connects to only one CAN + causes bus errors and erratic ECU behavior.
    • Caution：The device and the rest of its harness can be hidden out of sight, and the technician may not notice that the diagnostic connector is not in the factory location.
    • Repair：If SI diagnostics do not find the source and the device is available, try to duplicate the condition, then remove the device to see whether the condition is eliminated.
    • Repair：If removing the DLC interface device resolves the concern, tell the customer the result and that they should work with the device's supplier for further resolution.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

ENGINE2

  1. Owner complaint2001 GMC YUKON XL 2500 ・ 2015-12-24

    Engine stalled at highway speeds without power steering or brakes

    1. 1Fault

    2. 2Finding the cause

      AFTER LOOKING AT AN ON-LINE FORUM, THE VEHICLE WITH THE 8.1 LITER ENGIN HAD SOME VEHICLES RECALLED WITH A CAM LOBE SENSOR FAULT WHICH CAUSES THIS TO HAPPEN. (1 more)

    3. 3Correction

      HOWEVER, WHEN THE VEHICLE WAS NEW, THEY HAD ALREADY REPLACE THE SAME PART WHEN THE VEHICLE WAS 3-5 MONTHS OLD.

    Read the sentences of the record
    Fault
    WHILE TRAVELING AT HIGHWAY SPEEDS THE ENGINE STOPPED WORKING / STALLED.
    Cause
    AFTER LOOKING AT AN ON-LINE FORUM, THE VEHICLE WITH THE 8.1 LITER ENGIN HAD SOME VEHICLES RECALLED WITH A CAM LOBE SENSOR FAULT WHICH CAUSES THIS TO HAPPEN. (1 more)
    Remedy
    HOWEVER, WHEN THE VEHICLE WAS NEW, THEY HAD ALREADY REPLACE THE SAME PART WHEN THE VEHICLE WAS 3-5 MONTHS OLD.

  2. Manufacturer communication2000–2006 GMC YUKON XL DENALI ・ 2024-07-16(3 earlier editions of this document folded here)

    Fuel Injection Cleaner Kit Service Bulletin

    1. 1Fault

      • Rough idle, crank no start, extended crank or misfire, with the engine warning lamp on and DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308 set.
      • When the engine is cold, compression on multiple cylinders may be zero.
      • The engine may pop through the intake or exhaust while cranking, and the spark plugs may be fuel fouled.

    2. 2Finding the cause

      Possible causes

      • Major carbon build-up on the intake and/or exhaust valves from fuel contamination or incomplete burning of the fuel; misfires should not appear before at least 8,000 km (5,000 mi).

    3. 3Correction

      Repair

      1. If there is no valve damage and no cam follower out of place, perform the cleaning procedure to free sticking valves and remove carbon from the valves and pistons.
      2. If valves are damaged or cam followers are out of place, make the engine mechanical repairs first and then perform the cleaning procedure to prevent a return.
      3. Fill Cleaner Kit J-35800-A with about 650 ml (22 oz, 2 cans) of Air Intake, Combustion Chamber Cleaner and set the air pressure at the tool to 260 kPa (40 psi).
      4. With GDS 2 or a scan tool, command engine idle to 2000 rpm so the engine does not stall.
      5. With the engine at operating temperature in a well-ventilated area, slowly and carefully induce the cleaner into the engine, taking about 3 minutes.

      Parts

      • The Top Engine Cleaning Kit (ACDelco Air Intake, Valve and Combustion Chamber Cleaner and ACDelco Fuel System Cleaner 44K) is 19435372 for the U.S. and Canada.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Inducing too much cleaner at too low an RPM, or stalling the engine with too much cleaner at once, may hydro-lock the engine and bend a connecting rod.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GM passenger cars and trucks with gasoline engines only, model years 2000 to 2025.
    • Condition：Rough idle, crank no start, extended crank or misfire, with the engine warning lamp on and DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308 set.
    • Condition：When the engine is cold, compression on multiple cylinders may be zero.
    • Condition：The engine may pop through the intake or exhaust while cranking, and the spark plugs may be fuel fouled.
    • Cause：Major carbon build-up on the intake and/or exhaust valves from fuel contamination or incomplete burning of the fuel; misfires should not appear before at least 8,000 km (5,000 mi).
    • Repair：If there is no valve damage and no cam follower out of place, perform the cleaning procedure to free sticking valves and remove carbon from the valves and pistons.
    • Repair：If valves are damaged or cam followers are out of place, make the engine mechanical repairs first and then perform the cleaning procedure to prevent a return.
    • Caution：Inducing too much cleaner at too low an RPM, or stalling the engine with too much cleaner at once, may hydro-lock the engine and bend a connecting rod.
    • Repair：Fill Cleaner Kit J-35800-A with about 650 ml (22 oz, 2 cans) of Air Intake, Combustion Chamber Cleaner and set the air pressure at the tool to 260 kPa (40 psi).
    • Repair：With GDS 2 or a scan tool, command engine idle to 2000 rpm so the engine does not stall.
    • Repair：With the engine at operating temperature in a well-ventilated area, slowly and carefully induce the cleaner into the engine, taking about 3 minutes.
    • Parts：The Top Engine Cleaning Kit (ACDelco Air Intake, Valve and Combustion Chamber Cleaner and ACDelco Fuel System Cleaner 44K) is 19435372 for the U.S. and Canada.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.

EQUIPMENT2

  1. Manufacturer communication2000–2006 GMC YUKON XL ・ 2021-04-19(1 earlier editions of this document folded here)

    Winter Fuel Grade Use in Warm Months 2020 – Drivability Issues

    1. 1Fault

      • In rare instances customers may complain of a fuel smell, longer starts, hesitation and, in extreme cases, engine stalls.
      • Any combination of DTCs P0300, P0171, P0174 and P228C may be set.

    2. 2Finding the cause

      Possible causes

      • Using winter fuel in summer weather may cause drivability concerns.

      Steps to confirm (in the document’s order)

      • The concern should not be a single event but multiple occurrences associated with hot days.

    3. 3Correction

      Caution

      • No repair is required; the vehicles are not damaged and will recover.
      • There is no other remedy until summer fuel and/or cooler weather is available.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all brands and models with gasoline engines, model years 2000 - 2022.
    • Applies to：The involved region is North America.
    • Condition：In rare instances customers may complain of a fuel smell, longer starts, hesitation and, in extreme cases, engine stalls.
    • Condition：Any combination of DTCs P0300, P0171, P0174 and P228C may be set.
    • Cause：Using winter fuel in summer weather may cause drivability concerns.
    • Confirm：The concern should not be a single event but multiple occurrences associated with hot days.
    • Caution：No repair is required; the vehicles are not damaged and will recover.
    • Caution：There is no other remedy until summer fuel and/or cooler weather is available.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use.  Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement.  This will extend the use of winter fuel into the summer months. The drivability concerns should not be single events but should be multiple occurrences associated with hot days.

  2. Manufacturer communication2005–2006 GMC YUKON XL ・ 2019-12-16

    Aluminum wheel bead seat cleaning and resurfacing procedure

    1. 1Fault

      • A tire slowly loses air pressure over a period of days or weeks.

    2. 2Finding the cause

      Possible causes

      • Abrasive elements may intrude between the tire and wheel at the bead seat, and the relative motion between tire and wheel lets the particles wear the wheel and tire materials.

      Steps to confirm (in the document’s order)

      1. The corrosion may be on the inboard or outboard bead seating surface and is not visible until the tire is dismounted from the wheel.
      2. After a water dunk tank leak test, if the source of the leak is around the bead seat of the wheel, dismount the tire to examine the bead seat.
      3. Bead seat corrosion looks like blistering of the wheel finish, giving a rough or uneven surface on which the tire has difficulty keeping a proper seal.
      4. For vehicles with 32,186 km (20,000 mi) or less, the total combined linear area of repairable corrosion is 100 mm (4 in) or less; beyond that the wheel should be replaced.
      5. For vehicles that have exceeded 32,186 km (20,000 mi), the total combined linear area of repairable corrosion is 200 mm (8 in) or less.

    3. 3Correction

      Repair

      1. Use a clean-up (fine cut) sanding disc or biscuit to remove the corrosion and any flaking paint, back to material that is stable and firmly bonded to the wheel.
      2. Once the corrosion is eliminated, coat the repaired area with a commercially available tire sealant such as Patch Brand Bead Sealant or equivalent.

      Parts

      • Part number 16118, Patch Bead Sealer (1 Quart (= 0.946 L)).

      Caution

      • Do not replace a wheel for slow air loss unless the wheel has been evaluated and/or repair has been tried with this procedure.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2005-2020 GM passenger cars and light duty trucks.
    • Condition：A tire slowly loses air pressure over a period of days or weeks.
    • Cause：Abrasive elements may intrude between the tire and wheel at the bead seat, and the relative motion between tire and wheel lets the particles wear the wheel and tire materials.
    • Confirm：The corrosion may be on the inboard or outboard bead seating surface and is not visible until the tire is dismounted from the wheel.
    • Caution：Do not replace a wheel for slow air loss unless the wheel has been evaluated and/or repair has been tried with this procedure.
    • Confirm：After a water dunk tank leak test, if the source of the leak is around the bead seat of the wheel, dismount the tire to examine the bead seat.
    • Confirm：Bead seat corrosion looks like blistering of the wheel finish, giving a rough or uneven surface on which the tire has difficulty keeping a proper seal.
    • Confirm：For vehicles with 32,186 km (20,000 mi) or less, the total combined linear area of repairable corrosion is 100 mm (4 in) or less; beyond that the wheel should be replaced.
    • Confirm：For vehicles that have exceeded 32,186 km (20,000 mi), the total combined linear area of repairable corrosion is 200 mm (8 in) or less.
    • Repair：Use a clean-up (fine cut) sanding disc or biscuit to remove the corrosion and any flaking paint, back to material that is stable and firmly bonded to the wheel.
    • Repair：Once the corrosion is eliminated, coat the repaired area with a commercially available tire sealant such as Patch Brand Bead Sealant or equivalent.
    • Parts：Part number 16118, Patch Bead Sealer (1 Quart (= 0.946 L)).

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.

AIR BAGS1

  1. Owner complaint2003 GMC YUKON XL ・ 2004-04-01

    Driver's side air bag light remains on

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    CONSUMER COMPLAINED ABOUT DRIVER'S SIDE AIR BAG. (1 more)
    Remedy
    DEALER REPLACED THE AIR BAG TWICE, AND REPLACED THE COIL TO THE AIR BAG TWICE, AND RESET THE ERROR CODE 5 TIMES.
    Outcome
    HOWEVER, THE PROBLEM RECURRED. *AK *MR

ELECTRICAL1

  1. Recall2000–2001 GMC YUKON XL ・ 2005-04-15

    Fuel Module Reservoir Assembly Overheating Recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Cause
    Certain vehicles were built with fuel module reservoir assemblies that contain fuel pump wires and/or connectors that may overheat under certain operating conditions. Fuel pump wires that overheat may become exposed and result in one or more conditions; 1) If the ignition circuit wire is exposed and shorts to ground, the fuel pump fuse will blow, disabling the fuel pump and causing an engine stall or no-start condition. 2) If sufficient heat is conducted to the pass-through connector, a hole in the connector may result, which may cause the Service Engine Soon light to be illuminated during the emission system diagnostics routine. Fuel vapour (and in some limited cases liquid fuel) may leak out of the fuel tank through the hole in the connector body. 3) If the ignition circuit or ground wire is exposed and shorts to the fuel level sender card wires, inaccurate fuel level readings may result. Correction: Dealers will affect repairs.

ELECTRONIC STABILITY CONTROL1

  1. Owner complaint2005 GMC YUKON XL ・ 2006-03-20

    Service 4WD and stability control warning lights, transfer case issues, 2005 Yukon

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    THE SERVICE 4WD LIGHT AND STABILITY SYS DISABLED LIGHTS KEEP COMING ON. (4 more)
    Remedy
    THEY HAVE REPLACED THE FIRST TRANSFER CASE MODULE AND WHEN THE PROBLEM PERSISTED THEY REPLACED THE SECOND TRANSFER CASE MODULE. (1 more)
    Consequence
    I WAS STRANDED (IT WAS DARK AND LATE).

SERVICE BRAKES1

  1. Owner complaint2002 GMC YUKON XL ・ 2022-06-23

    No braking sensation at 70 MPH; brake warning light on

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      The vehicle was not repaired.

    Read the sentences of the record
    Fault
    The contact stated while driving approximately 70 MPH (= 112.7 km/h), the contact started to slow for traffic and depressed the brake, and felt no braking. (1 more)
    Remedy
    The vehicle was not repaired.
    Inspection
    The contact had taken the vehicle to a local dealer who diagnosed that there was a fractured parking brake spring.

SERVICE BRAKES, HYDRAULIC1

  1. Owner complaint2002 GMC YUKON XL 1500 ・ 2009-08-11

    Left front wheel nearly fell off after toll booth exit

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    THE LEFT FRONT WHEEL NEARLY FELL OFF OUR 2002 YUKON 1500 SLT. (9 more)
    Remedy
    MY HUSBAND STOPPED REPEATEDLY TO RETIGHTEN THE BOLTS.
    Consequence
    WE NEARLY WENT OFF THE ROAD.

SUSPENSION1

  1. Manufacturer communication2001–2006 GMC YUKON XL ・ 2023-12-26(1 earlier editions of this document folded here)

    Suspension Service Communication

    1. 1Fault

      • Condition 1 (2009 or prior vehicles): a Service Suspension System message on the DIC with incorrect rear ride height, and DTC C0696 or C0711 set in the Electronic Suspension Control (ESC) module.
      • Condition 2: a Service Suspension System message on the DIC, possibly with low rear ride height under a heavy payload, and DTC C0711 set in the ESC module.
      • Condition 3: a loose hose hangs down at the left rear; upon inspection the hose may be found damaged or disconnected from the air inlet filter of the auto leveling suspension air compressor.

    2. 2Finding the cause

      Possible causes

      • Condition 1 can be caused by the wiring to the automatic level control (ALC) pressure sensor being shorted to ground.
      • Condition 2 may be caused by an internal fault in the ALC pressure sensor, which can occur when moisture gets into the sensor.

      Steps to confirm (in the document’s order)

      1. The air compressor assembly may have to be removed to see whether the wiring is pinched between the compressor assembly and the frame.
      2. If system pressure at start up is below 10 psi (69 kpa), the system runs the compressor to add air to the shocks as a replenishment cycle.

    3. 3Correction

      Repair

      1. For condition 1, repair any damaged or shorted circuits and reposition the wiring so it is not damaged again when the compressor assembly is installed.
      2. The sensor is no longer serviced separately; to replace it, install a complete air filter, dryer and sensor assembly.
      3. For condition 3, replace the auto leveling compressor air inlet filter and hose assembly (PN 22197160).

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Parts

      • Vehicles built before May, 2012 need a jumper harness for the updated sensor, which is included with assembly PN 22964558; vehicles built in May, 2012 and later need no jumper harness and use PN 22941807.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Do not replace the complete air compressor assembly for this concern.
      • Condition 4 (no compressor self test at start up): the automatic level system normally does not, or only very infrequently does, cycle the compressor at key up.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2001-2013 GMC Yukon, Yukon XL LD, Yukon Denali and Yukon Denali XL (note: the years run later than the years this service covers).
    • Applies to：Vehicles with RPO Z55 or Z95 are covered.
    • Condition：Condition 1 (2009 or prior vehicles): a Service Suspension System message on the DIC with incorrect rear ride height, and DTC C0696 or C0711 set in the Electronic Suspension Control (ESC) module.
    • Cause：Condition 1 can be caused by the wiring to the automatic level control (ALC) pressure sensor being shorted to ground.
    • Confirm：The air compressor assembly may have to be removed to see whether the wiring is pinched between the compressor assembly and the frame.
    • Repair：For condition 1, repair any damaged or shorted circuits and reposition the wiring so it is not damaged again when the compressor assembly is installed.
    • Caution：Do not replace the complete air compressor assembly for this concern.
    • Condition：Condition 2: a Service Suspension System message on the DIC, possibly with low rear ride height under a heavy payload, and DTC C0711 set in the ESC module.
    • Cause：Condition 2 may be caused by an internal fault in the ALC pressure sensor, which can occur when moisture gets into the sensor.
    • Repair：The sensor is no longer serviced separately; to replace it, install a complete air filter, dryer and sensor assembly.
    • Parts：Vehicles built before May, 2012 need a jumper harness for the updated sensor, which is included with assembly PN 22964558; vehicles built in May, 2012 and later need no jumper harness and use PN 22941807.
    • Condition：Condition 3: a loose hose hangs down at the left rear; upon inspection the hose may be found damaged or disconnected from the air inlet filter of the auto leveling suspension air compressor.
    • Repair：For condition 3, replace the auto leveling compressor air inlet filter and hose assembly (PN 22197160).
    • Caution：Condition 4 (no compressor self test at start up): the automatic level system normally does not, or only very infrequently does, cycle the compressor at key up.
    • Confirm：If system pressure at start up is below 10 psi (69 kpa), the system runs the compressor to add air to the shocks as a replenishment cycle.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    Suspension.

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