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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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The vehicle (where a record says)

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:NoiseVibration or shudderLoss of engine power, no accelerationWarning lightReduced brakingLeakMisfire or rough idleDoes not start

Record by record

28 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 was fixed1
  • says it did not fix it3
  • result not stated4

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 (26)

Known issuesSnap or popping noise from the front of the vehicle (slot the front crossmember mounting holes)2

  1. Owner complaint2003 GMC YUKON XL ・ 2005-08-04

    Steering column thumping/popping noise and front tire wear since new

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Cause
    FRONT-END SPECIALIST SAID THAT THERE IS A DEFECT IN GM TORSION BAR SUSPENSION SYSTEM THAT IS CAUSING MOST OF THESE PROBLEMS BUT GM REPS WILL NOT ACKNOWLEDGE OR REMEDY. *JB
    Remedy
    DEALER PACKED INTERMEDIATE STEERING SHAFT WITH GREASE. (2 more)
    Inspection
    DEALER COULD NOT DUPLICATE NOISE.
    Outcome
    DID NOT WORK. (2 more)

  2. Owner complaint2003 GMC YUKON XL ・ 2004-11-20

    Clanking noise when turning right and steering wheel vibration

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    2003 GMC YUKON XL, HAVING A CLANKING NOISE WHEN TURNING RIGHT. (2 more)
    Remedy
    SMOOTHED OUT MOUNTING HOLES AND SECURED.
    Inspection
    DEALER STATED "FOUND CROSSMEMBER BOLTS BINDING AND MAKING NOISE. (1 more)

Known issuesHydro-boost brake assist and power steering share one hydraulic supply (four campaigns)2

  1. Manufacturer communication2003–2006 GMC YUKON XL ・ 2018-06-11(2 earlier editions of this document folded here)

    Power steering pump and line replacement procedure

    1. 1Fault

      • In rare cases there is a lack of steering assist when stopped or during parking lot type maneuvers.
      • The condition goes away or greatly improves once the vehicle begins to move or is above parking lot speeds.

    2. 2Finding the cause

      Possible causes

      • The concern can be aggravated by worn tires, low tire air pressure, low power steering pump pressures, and tires larger than stock size.

      Steps to confirm (in the document’s order)

      1. Perform the "Power Steering System Test" found in SI and make any necessary repairs based on system diagnosis.
      2. To tell whether a 670 gear box is fitted, inspect the mounting bolts that attach the stub shaft housing; a 670 gear box has only 3 mounting bolts.

    3. 3Correction

      Repair

      1. If a C/K 1500 Series vehicle is equipped with a 670 gear box, replacing it with a 680 gear box may increase the customer satisfaction.
      2. When replacing a 670 gear box with a 680 gear box, replace the power steering gear, union fitting and both inlet O-ring seals.

      Parts

      • Parts (C/K 1500 series only): 88965542 Power Steering Gear, 26025709 Union Fitting, 26001594 Inlet O-ring Seal.

      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

      • For C/K 1500 series vehicles, if diagnostics did not lead to any repair, the concern is a normal operating characteristic.
      • If the stub shaft housing has no mounting bolts or has 4 bolts, do not proceed with this bulletin; the vehicle does not have a 670 gear box.
      • It is recommended in all cases that the proper tire size and the maximum tire pressure are set to the manufacturer's specification on the door placard, especially for the front tires.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The model list names 2003-2006 GMC Yukon, Yukon Denali and Yukon XL.
    • Condition：In rare cases there is a lack of steering assist when stopped or during parking lot type maneuvers.
    • Condition：The condition goes away or greatly improves once the vehicle begins to move or is above parking lot speeds.
    • Cause：The concern can be aggravated by worn tires, low tire air pressure, low power steering pump pressures, and tires larger than stock size.
    • Confirm：Perform the "Power Steering System Test" found in SI and make any necessary repairs based on system diagnosis.
    • Caution：For C/K 1500 series vehicles, if diagnostics did not lead to any repair, the concern is a normal operating characteristic.
    • Repair：If a C/K 1500 Series vehicle is equipped with a 670 gear box, replacing it with a 680 gear box may increase the customer satisfaction.
    • Confirm：To tell whether a 670 gear box is fitted, inspect the mounting bolts that attach the stub shaft housing; a 670 gear box has only 3 mounting bolts.
    • Caution：If the stub shaft housing has no mounting bolts or has 4 bolts, do not proceed with this bulletin; the vehicle does not have a 670 gear box.
    • Repair：When replacing a 670 gear box with a 680 gear box, replace the power steering gear, union fitting and both inlet O-ring seals.
    • Parts：Parts (C/K 1500 series only): 88965542 Power Steering Gear, 26025709 Union Fitting, 26001594 Inlet O-ring Seal.
    • Caution：It is recommended in all cases that the proper tire size and the maximum tire pressure are set to the manufacturer's specification on the door placard, especially for the front tires.

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

    Remedy
    This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.

  2. Manufacturer communication2003–2006 GMC YUKON DENALI XL ・ 2012-08-07

    GM Power Steering Assist Concerns Diagnosis

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      GENERAL MOTORS: DIAGNOSING POWER STEERING CONCERNS. IN RARE CASES, CUSTOMERS MAY COMMENT ON A LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE OF MANEUVERS. *JS UPDATED 09/02/14*LJ

      What the documents say to do

      Hydro-boost brake assist and power steering share one hydraulic supply (four campaigns)

      Confirm

      • Perform the "Power Steering System Test" found in SI and make any necessary repairs based on system diagnosis.

      Repair

      1. Dealers replace the hydro-boost relief valve.
      2. Dealers test the hydro-boost assembly for functional operation and replace it if it fails.

      Caution

      • An inoperative pump raises steering and braking effort but does not completely remove the ability to steer or slow the vehicle.
    Read the sentences of the record
    Remedy
    GENERAL MOTORS: DIAGNOSING POWER STEERING CONCERNS. IN RARE CASES, CUSTOMERS MAY COMMENT ON A LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE OF MANEUVERS. *JS UPDATED 09/02/14*LJ

Known issuesSteering intermediate shaft clunk2

  1. Owner complaint2003 GMC YUKON XL 1500 ・ 2009-03-03

    2003 GMC Yukon XL 1500 intermediate steering section clunking and loose steering

    1. 1Fault

    2. 2Finding the cause

      THEY ARE WELL AWARE THAT THIS WAS A POOR ENGINEERING DESIGN. *TR

    3. 3Correction

      THE DEALER LUBRICATED IT A NUMBER OF TIMES UNTIL THE WARRANTY RAN OUT. (1 more)

      What the documents say to do

      Steering intermediate shaft clunk

      Confirm

      • When properly lubricated, there should be 13 mm (1/2 inch) of grease showing on the shaft splines.

      Repair

      1. Replace the upper intermediate steering shaft assembly.
      2. There are significant differences between the car and truck procedures: the lubricant is applied to a different part of the steering system and uses a different lubrication kit, 26098419.
    Read the sentences of the record
    Fault
    I OWN A 2003 GMC YUKON XL 1500 THAT HAS A CONTINUING PROBLEM WITH THE INTERMEDIATE STEERING SECTION MAKING A CLUNKING SOUND AND AS THE SOUND GETS WORSE, THE STEERING BECOMES LOOSE.
    Cause
    THEY ARE WELL AWARE THAT THIS WAS A POOR ENGINEERING DESIGN. *TR
    Remedy
    THE DEALER LUBRICATED IT A NUMBER OF TIMES UNTIL THE WARRANTY RAN OUT. (1 more)
    Outcome
    THE PROBLEM RETURNED AT ABOUT 85000 MILES (= 136,794 km).

  2. Manufacturer communication2000–2006 GMC YUKON XL ・ 2008-07-14

    Upper Intermediate Steering Shaft Clunking Noise

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Remedy
    CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE

Known issuesPower steering pump whine between idle and 2000 rpm1

  1. Manufacturer communication2003–2006 GMC YUKON XL ・ 2017-08-15

    Power Steering Pump Whine Noise

    1. 1Fault

      • Owners may report a whine noise that normal diagnostics trace to the power steering pump, most commonly heard between idle and 2000 rpm.

    2. 2Finding the cause

      Possible causes

      • A new design power steering pump that helps improve or eliminate this noise was introduced with the new body style pickups and utilities from model year 2007 and the 2008 H2.

    3. 3Correction

      Repair

      1. GM dealers report that flushing and refilling the power steering system with Lucas Power Steering Fluid with Conditioners has reduced or eliminated the noise; GM Engineering has not evaluated this product.
      2. For vehicles built before that change, or if the Lucas fluid is not readily available, install the latest design GM power steering pump, looking up the part number in the GM Electronic Parts Catalog (EPC).
      3. The warranty labor operation is E9523, Flush and Bleed Power Steering System, 0.9 hour.

      Parts

      • The fluid is Lucas PN 10442, a synthetic base fluid sold in pint containers at most auto parts stores; most applications need 6 to 8 pints to flush and fill the system.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The model list covers 2003-2013 Cadillac Escalade, Chevrolet Avalanche, Silverado, Suburban, Tahoe and GMC Sierra and Yukon models, plus the 2003-2009 Hummer H2 (note: the Yukon range runs to 2013).
    • Condition：Owners may report a whine noise that normal diagnostics trace to the power steering pump, most commonly heard between idle and 2000 rpm.
    • Repair：GM dealers report that flushing and refilling the power steering system with Lucas Power Steering Fluid with Conditioners has reduced or eliminated the noise; GM Engineering has not evaluated this product.
    • Parts：The fluid is Lucas PN 10442, a synthetic base fluid sold in pint containers at most auto parts stores; most applications need 6 to 8 pints to flush and fill the system.
    • Cause：A new design power steering pump that helps improve or eliminate this noise was introduced with the new body style pickups and utilities from model year 2007 and the 2008 H2.
    • Repair：For vehicles built before that change, or if the Lucas fluid is not readily available, install the latest design GM power steering pump, looking up the part number in the GM Electronic Parts Catalog (EPC).
    • Repair：The warranty labor operation is E9523, Flush and Bleed Power Steering System, 0.9 hour.

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

    Remedy
    This Preliminary Information communication provides information to the technician about vehicles that may have a power steering pump whine noise. Technician will need to flush and refill the power steering system with Lucas Power Steering Fluid with Conditioners. Technician will replace the power steering pump with the latest design if the fluid is not available.

Known issuesReduced Engine Power from throttle body connector crimp, broken wire or grounds1

  1. Owner complaint2003 GMC YUKON XL 1500 ・ 2015-09-28

    Check engine light and reduced power warning with complete loss of acceleration, braking and steering

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE TRAVELING TO WORK MY VEHICLES CHECK ENGINE LIGHT CAME ON AND THE REDUCED POWER WARNING CAME ON AT WHICH TIME I HAD COMPLETE LOSS OF ACCELERATION, COMPLETE LOSS OF BRAKING, AND COMPLETE LOSS OF STEERING POWER. (1 more)
    Remedy
    I HAVE ALREADY REPLACED THE THROTTLE HOUSING AND HARNESS COMPONENTS, ACCELERATION PEDAL SENSOR AND YET THE ISSUE CONTINUES, SOMEONE IS GOING TO ( DIE ) BECAUSE OF GMC'S LACK OF CONCERN AND RESPONSIBILITY TO OWNERS OF THEIR PRODUCTS.

STEERING15

  1. Owner complaint2003 GMC YUKON XL ・ 2004-12-03

    Loud squealing noise when turning left

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    AT APROX 6000 MILES (= 9,656 km) VEHICLE STARTED MAKING A LOUD SQUEELING NOISE EVERY TIME VEHICLE WAS TURNED TO THE LEFT.
    Cause
    WAS TOLD BY DEALER THAT THIS HAS HAPPENED BEFORE AND THAT THE NOISE IS CAUSED BY A PRESSURE RELIEF VALVE IN THE STEERING GEAR BOX RELIEVING PRESSURE.
    Remedy
    ON SECOND VISIT FOR SAME CONCERN THEY PUT A "CONDITIONER" IN THE STEERING GEAR BOX. (1 more)
    Outcome
    PROBLEM HAS NOT REOCCURED.

  2. Manufacturer communication2000–2006 GMC YUKON XL ・ 2017-08-15

    Rough Idle Preliminary Information

    1. 1Fault

      • A slight rough idle with no DTCs or other engine performance concerns; comparison vehicles may show the same concern.
      • In some instances an occasional misfire may register on the Tech 2 at idle, but no DTCs will be stored.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      • Compare the concern to a like vehicle; if it is worse than the like vehicle, complete SI diagnosis and repair as necessary.

    3. 3Correction

      Caution

      • If SI diagnosis for Rough, Unstable, or Incorrect Idle is inconclusive, or the concern is the same as the like vehicle, consider it an idle characteristic of the vehicle and attempt no repairs.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 1999-2013 GMC Savana, Sierra and Yukon.
    • Applies to：Applies to vehicles with a V-8 gas engine.
    • Condition：A slight rough idle with no DTCs or other engine performance concerns; comparison vehicles may show the same concern.
    • Condition：In some instances an occasional misfire may register on the Tech 2 at idle, but no DTCs will be stored.
    • Confirm：Compare the concern to a like vehicle; if it is worse than the like vehicle, complete SI diagnosis and repair as necessary.
    • Caution：If SI diagnosis for Rough, Unstable, or Incorrect Idle is inconclusive, or the concern is the same as the like vehicle, consider it an idle characteristic of the vehicle and attempt no repairs.

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

    Remedy
    This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary.

  3. Owner complaint2003 GMC YUKON DENALI XL ・ 2014-07-22

    Power steering failed during left turn at low speed

    1. 1Fault

      THE CONTACT STATED THAT WHILE DRIVING 1 MPH (= 1.61 km/h) AND MAKING A LEFT INTO A PARKING LOT, THE VEHICLE POWER STEERING FAILED. (2 more)

    2. 2Finding the cause

      Not stated

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT WHILE DRIVING 1 MPH (= 1.61 km/h) AND MAKING A LEFT INTO A PARKING LOT, THE VEHICLE POWER STEERING FAILED. (2 more)
    Remedy
    THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.

  4. Owner complaint2003 GMC YUKON DENALI XL ・ 2012-12-11

    Steering wheel shakes excessively while driving at 70 MPH

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT REPAIRED.

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT WHILE DRIVING 70 MPH (= 112.7 km/h), HE NOTICED THAT THE STEERING WHEEL BEGAN TO SHAKE EXCESSIVELY.
    Remedy
    THE VEHICLE WAS NOT REPAIRED.
    Inspection
    THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION WHERE THEY STATED THAT THE SHOCKS NEEDED TO BE REPLACED.

  5. Manufacturer communication2000–2006 GMC YUKON XL ・ 2011-03-28

    Pitman Arm Shaft Seal Service Kit Information

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Remedy
    BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. TECHNICIANS HAVE BEEN REPLACING ENTIRE STEERING GEARS DUE TO NOT BEING ABLE TO SERVICE JUST LEAKING PITMAN SHAFT SEAL. *PE UPDATED 5/9/11. *PE

  6. Owner complaint2003 GMC YUKON XL ・ 2008-02-24

    Quad steering drops out of quad mode and fails to lock, occurring about a week after purchase

    1. 1Fault

      ABOUT A WEEK AFTER WE HAD THE VEHICLE, THE QUAD STEERING WOULD DROP OUT OF QUAD MODE AS INDICATED BY THE LIGHT ON THE DASHBOARD, AS WELL AS THE FEEL OF THE DRIVE, AND ON OCCASION NOT LOCK INTO POSITION EITHER.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    ABOUT A WEEK AFTER WE HAD THE VEHICLE, THE QUAD STEERING WOULD DROP OUT OF QUAD MODE AS INDICATED BY THE LIGHT ON THE DASHBOARD, AS WELL AS THE FEEL OF THE DRIVE, AND ON OCCASION NOT LOCK INTO POSITION EITHER.
    Consequence
    THE WHEELS WOULD THEN TURN SIDEWAYS AND WE TEMPORARY LOSE CONTROL OF THE VEHICLE UNTIL WE PULL OVER TO STRAIGHTEN OUT THE WHEELS IN ORDER TO LOCK THEM IN POSITION.

  7. Manufacturer communication2003–2006 GMC YUKON XL ・ 2007-09-19

    Gear Box Power Steering Pump P/S Performance Concerns

    1. 1Fault

      Not stated

    2. 2Finding the cause

    3. 3Correction

      GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB

    Read the sentences of the record
    Remedy
    GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB

  8. Owner complaint2003 GMC YUKON XL ・ 2006-03-03

    Intermediate shaft replacement at 32,652 miles

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Remedy
    AT 32,652 THE INTERMEDIATE SHAFT HAD TO BE REPLACED.

  9. Manufacturer communication2003 GMC YUKON XL ・ 2004-08-10

    Vehicle Will Not Start Caused by Steering Wheel Position Sensor

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      VEHICLE WILL NOT START CAUSED BY THE STEERING WHEEL POSITION SENSOR. *TT

    Read the sentences of the record
    Remedy
    VEHICLE WILL NOT START CAUSED BY THE STEERING WHEEL POSITION SENSOR. *TT

  10. Manufacturer communication2003–2004 GMC YUKON XL DENALI ・ 2004-05-07

    Steering Assist Loss During Parking Maneuvers

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. *MR

    Read the sentences of the record
    Remedy
    LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. *MR

  11. Manufacturer communication2003–2004 GMC YUKON XL ・ 2004-05-03

    Steering Assist or Shudder During Parking Lot Maneuvers

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *MR

    Read the sentences of the record
    Remedy
    LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *MR

  12. Manufacturer communication2000–2004 GMC YUKON XL DENALI ・ 2004-01-07

    Inner Tie Rod Released for Service

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      INNER TIE ROD RELEASED FOR SERVICE. *TT

    Read the sentences of the record
    Remedy
    INNER TIE ROD RELEASED FOR SERVICE. *TT

  13. Owner complaint2003 GMC YUKON XL 1500 ・ 2009-02-16

    Front right bearing failed at 50K miles

    1. 1Fault

      Not stated

    2. 2Finding the cause

    3. 3Correction

      Not stated

  14. Owner complaint2003 GMC YUKON XL 1500 ・ 2006-08-27

    Both front wheel bearings failed at 51,280 miles

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

  15. Owner complaint2003 GMC YUKON XL ・ 2004-07-19

    Intermediate steering shaft bolt loose while driving up mountain

    1. 1Fault

      WHILE DRIVING UP A MOUNTAIN INTERMEDIATE STEERING SHAFT BOLT BECAME LOOSE, AND WAS JUST 3 TURNS FROM FALLING OFF.

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    WHILE DRIVING UP A MOUNTAIN INTERMEDIATE STEERING SHAFT BOLT BECAME LOOSE, AND WAS JUST 3 TURNS FROM FALLING OFF.

ELECTRICAL SYSTEM1

  1. Manufacturer communication2000–2006 GMC YUKON XL ・ 2017-08-15

    Unwanted or Phantom Phone Calls Diagnosis and Repair

    1. 1Fault

      • A customer may report that the OnStar system attempts or completes phone calls that the operator of the vehicle did not initiate.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a ″Phone Unavailable″ audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A “Ready” or “OnStar ready” audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ″push to talk″ button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all brands and models, model years 2000 - 2017.
    • Condition：A customer may report that the OnStar system attempts or completes phone calls that the operator of the vehicle did not initiate.

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

    Remedy
    This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a ″Phone Unavailable″ audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A “Ready” or “OnStar ready” audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ″push to talk″ button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.

ENGINE1

  1. Owner complaint2003 GMC YUKON XL 1500 ・ 2014-09-10

    Engine shut off on expressway, loss of power steering and brakes

    1. 1Fault

      WHILE DRIVING POSTED SPEED ON EXPRESSWAY VEHICLE SUDDENLY SHUT OFF. (1 more)

    2. 2Finding the cause

      THEY ALL HAVE THE SAME KEY LOCK SYSTEM AND SAME ABS SYSTEMS BOTH OF WHICH SEEM TO CONTRIBUTE TO OR CAUSE THE PROBLEM.

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    WHILE DRIVING POSTED SPEED ON EXPRESSWAY VEHICLE SUDDENLY SHUT OFF. (1 more)
    Cause
    THEY ALL HAVE THE SAME KEY LOCK SYSTEM AND SAME ABS SYSTEMS BOTH OF WHICH SEEM TO CONTRIBUTE TO OR CAUSE THE PROBLEM.

SERVICE BRAKES, HYDRAULIC1

  1. Owner complaint2003 GMC YUKON XL ・ 2004-12-30

    Poor braking, steering, ride control, and intermittent shifting with loss of control

    1. 1Fault

      POOR BRAKING. (2 more)

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    POOR BRAKING. (2 more)
    Consequence
    4)VEHICLE SPUN OUT OF CONTROL ON RAMP TO RT 25 BOURNE MA, OUTCOME DETAILS : *AK

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3 owner complaints have no classified sentences yet, so their causes and repairs are not picked out. Their text is in the list of records.