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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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1 conditions added

Common on this vehicle:Warning lightGauge or instrument faultLeakNoise

Record by record

93 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

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 (24)

Known issuesOil leak after cold start from frozen PCV system (rear main seal)1

  1. Manufacturer communication2002–2006 GMC YUKON DENALI ・ 2018-02-21

    Oil Leak at Cold Start in Extreme Low Ambient Temperatures

    1. 1Fault

      • An oil leak may appear shortly after a cold start in extremely low ambient temperatures (approximately below 10*F) or with excessive short trip drive cycles.

    2. 2Finding the cause

      Possible causes

      • An oil leak from the rear main seal is the result of a frozen PCV system and excessive crankcase pressure.

    3. 3Correction

      Repair

      1. Clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430 (vented oil fill cap) to prevent a reoccurrence.
      2. For warranty repairs, labor operation 4065230 is Oil Filler Cap Replacement.

      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

      • Oil fill cap part number 12589430 (vented oil fill cap).

      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.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GMC Yukon models, 2002 - 2014, with a V8 engine.
    • Condition：An oil leak may appear shortly after a cold start in extremely low ambient temperatures (approximately below 10*F) or with excessive short trip drive cycles.
    • Cause：An oil leak from the rear main seal is the result of a frozen PCV system and excessive crankcase pressure.
    • Repair：Clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430 (vented oil fill cap) to prevent a reoccurrence.
    • Parts：Oil fill cap part number 12589430 (vented oil fill cap).
    • Repair：For warranty repairs, labor operation 4065230 is Oil Filler Cap Replacement.

    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 have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.

Known issuesRadio shows a disc error when a media disc is inserted (unsupported disc format or damaged disc)1

  1. Manufacturer communication2002–2006 GMC YUKON DENALI ・ 2018-05-07

    Media Disc Error Message - Preliminary Information

    1. 1Fault

      • Some customers may comment that they receive an error message when a media disc is installed.

    2. 2Finding the cause

      Possible causes

      • Not all systems are able to play Blu-Ray discs, DVDs, or CD-R/CD-RW discs.

      Steps to confirm (in the document’s order)

      1. Verify that the system is capable of playing the selected disc format before performing any repairs.
      2. Inspect the DVD or CD for damage; too many or deep scratches may prevent it from operating correctly.
      3. It is usually helpful to take the suspect disc to a like vehicle with the same RPO codes to verify whether the disc is compatible or in good operating condition.

    3. 3Correction

      This Preliminary Information communication provides information to the technician about vehicles that show an error message when a media disc is installed. Technician will need to check the Regular Production Option Code list to verify if the disc is compatible.

      What the documents say to do

      Radio shows a disc error when a media disc is inserted (unsupported disc format or damaged disc)

      Confirm

      • Verify that the system is capable of playing the selected disc format before performing any repairs.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The document addresses 2002-2015 GM passenger cars and light duty trucks.
    • Condition：Some customers may comment that they receive an error message when a media disc is installed.
    • Cause：Not all systems are able to play Blu-Ray discs, DVDs, or CD-R/CD-RW discs.
    • Confirm：Verify that the system is capable of playing the selected disc format before performing any repairs.
    • Confirm：Inspect the DVD or CD for damage; too many or deep scratches may prevent it from operating correctly.
    • Confirm：It is usually helpful to take the suspect disc to a like vehicle with the same RPO codes to verify whether the disc is compatible or in good operating condition.

    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 show an error message when a media disc is installed. Technician will need to check the Regular Production Option Code list to verify if the disc is compatible.

EQUIPMENT16

  1. Manufacturer communication2002–2006 GMC YUKON DENALI ・ 2024-04-01(3 earlier editions of this document folded here)

    XM Audio Traffic and Travel Link Availability and Operation

    1. 1Fault

      • A customer may have questions about which XM offerings are available for their vehicle.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      XM Audio Traffic And Travel Link Availability And Operation.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2002-2015 GM passenger cars and light-duty trucks with XM radio.
    • Condition：A customer may have questions about which XM offerings are available for their vehicle.

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

    Remedy
    XM Audio Traffic And Travel Link Availability And Operation.

  2. Manufacturer communication2006 GMC YUKON DENALI ・ 2023-12-11

    Changing Turn-By-Turn Voice Response Units

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      • The setting is changed by pressing the phone button on the OnStar keypad to reach OnStar voice recognition and saying "English-Metric Setting".
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2006 - 2016 GM passenger cars and light duty trucks with OnStar Gen7, Gen8, Gen9 or Gen10.
    • Repair：The setting is changed by pressing the phone button on the OnStar keypad to reach OnStar voice recognition and saying "English-Metric Setting".

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

    Remedy
    Changing Turn-By-Turn Voice Response To Metric Or English Units

  3. Manufacturer communication2000–2002 GMC YUKON DENALI ・ 2019-12-09

    Delco TheftLock Radio Unlock Procedure Communication

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.  The PI update to version D is to advise the unlock procedure is temporarily unavailable.  E version update is to add administrative details.

    Read the sentences of the record
    Remedy
    This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.  The PI update to version D is to advise the unlock procedure is temporarily unavailable.  E version update is to add administrative details.

  4. Manufacturer communication2005–2006 GMC YUKON DENALI ・ 2018-12-10(2 earlier editions of this document folded here)

    Navigation Concern Information Bulletin

    1. 1Fault

      • Some customers may notice that navigation radio map discs have missing or incorrect information.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2015 and earlier GM passenger cars and trucks (including export) equipped with a navigation radio.
    • Condition：Some customers may notice that navigation radio map discs have missing or incorrect information.

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

    Remedy
    This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website.

  5. Manufacturer communication2000–2002 GMC YUKON DENALI ・ 2018-06-18

    Delco Theft Lock Radio Unlock Procedure Notification

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.

    Read the sentences of the record
    Remedy
    This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.

  6. Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2018-05-21

    Preliminary Information Bulletin PI0688C Update

    1. 1Fault

      • With hands-free calling, the person on the other end may hear the vehicle occupant's voice as tinny, distorted or computerized/digitized; audio received in the vehicle is not affected.

    2. 2Finding the cause

      Possible causes

      • The condition results from low voice input (quiet talkers) combined with high ambient noise such as road, wind and engine.

    3. 3Correction

      Repair

      1. Replace the mobile telephone microphone, following the SI replacement procedure.
      2. Advise the customer to turn "Echo Control" OFF on personal cell phones paired to the vehicle, which improves communication quality.

      Parts

      • 2012 MY trucks: 15241529 MICROPHONE, MOBILE TEL; 2013 MY trucks: 20951265 MICROPHONE, MOBILE TEL.

      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 vehicle communication interface module (VCIM) and do not update the software calibration.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2012-2013 GMC Sierra, Sierra Denali and Yukon models (note: later than the years this service covers).
    • Condition：With hands-free calling, the person on the other end may hear the vehicle occupant's voice as tinny, distorted or computerized/digitized; audio received in the vehicle is not affected.
    • Cause：The condition results from low voice input (quiet talkers) combined with high ambient noise such as road, wind and engine.
    • Repair：Replace the mobile telephone microphone, following the SI replacement procedure.
    • Caution：Do not replace the vehicle communication interface module (VCIM) and do not update the software calibration.
    • Repair：Advise the customer to turn "Echo Control" OFF on personal cell phones paired to the vehicle, which improves communication quality.
    • Parts：2012 MY trucks: 15241529 MICROPHONE, MOBILE TEL; 2013 MY trucks: 20951265 MICROPHONE, MOBILE TEL.

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

    Remedy
    This preliminary informational bulletin provides a revision for PI0688C to add the 2013 model year and update the Parts Information.

  7. Manufacturer communication2003–2004 GMC YUKON DENALI ・ 2018-05-07

    OnStar System Upgrade to Generation 6 Digital-Capable

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This informational bulletin provides information to dealership personnel on upgrading certain OnStar Analog/Digital-Ready Systems to OnStar Generation 6 Digital-Capable System.

    Read the sentences of the record
    Remedy
    This informational bulletin provides information to dealership personnel on upgrading certain OnStar Analog/Digital-Ready Systems to OnStar Generation 6 Digital-Capable System.

  8. Manufacturer communication2006 GMC YUKON DENALI ・ 2017-12-22

    Radio reprogramming VIN requirement notice

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      • To select the correct vehicle in SPS, use the vehicle VIN.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2015 and prior GM passenger cars and trucks.
    • Repair：To select the correct vehicle in SPS, use the vehicle VIN.

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

    Remedy
    This preliminary bulletin explains to the technician to use the vin when reprogramming the radio using the techline/service programming systems.

  9. Manufacturer communication2002–2006 GMC YUKON DENALI ・ 2017-12-22(1 earlier editions of this document folded here)

    XM Radio Receiver Reset Procedure

    1. 1Fault

      • Customers may report not receiving all channels on the XM band, usually only up to 10 channels (preview mode).

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2002-2015 GM passenger cars and light-duty trucks with XM radio.
    • Condition：Customers may report not receiving all channels on the XM band, usually only up to 10 channels (preview mode).

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

    Remedy
    This preliminary bulletin provides procedures on how to reset or refresh the XM radio receiver is the customers states that they only get a few channels.

  10. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-12-22

    OnStar System Programming and Activation Information

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      • On many 2008 and prior vehicles the module is programmed with the Tech 2, and activation is started by the Service Programming System (SPS) application called OnStar Activation (ONSA).
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2000-2015 GM passenger cars and light duty trucks equipped with OnStar (RPO UE1).
    • Repair：On many 2008 and prior vehicles the module is programmed with the Tech 2, and activation is started by the Service Programming System (SPS) application called OnStar Activation (ONSA).

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

    Remedy
    This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the activation is initiated by a Service Programming System. For the 2010 and UP model year vehicles, the OnStar set-up procedure and OnStar Activation request have been combined into a single programming event called OnStar Set-up and Activation in Service Programming System.

  11. Manufacturer communication2005–2006 GMC YUKON DENALI ・ 2017-10-15

    Customer-Owned Media Return/Reimbursement

    1. 1Fault

      • The Electronic Service Centers will try to retrieve and return customer owned CDs, DVDs or navigation discs stuck, jammed or damaged in a returned unit.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This informational bulletin provides information on return or reimbursement of customer owned CDs, DVDs or Navigation Discs .

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2017 and prior GM passenger cars and trucks.
    • Condition：The Electronic Service Centers will try to retrieve and return customer owned CDs, DVDs or navigation discs stuck, jammed or damaged in a returned unit.

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

    Remedy
    This informational bulletin provides information on return or reimbursement of customer owned CDs, DVDs or Navigation Discs .

  12. Manufacturer communication2000–2002 GMC YUKON DENALI ・ 2017-08-15

    Delco TheftLock radio unlock information

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.

    Read the sentences of the record
    Remedy
    This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.

  13. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15

    Odometer Accuracy Verification

    1. 1Fault

      • The customer says the odometer appears inaccurate compared with a known distance traveled.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. On a straight road over a mile long, mark a GPS waypoint when the odometer (not the trip odometer) rolls over a digit, take a reading when it rolls to the next digit, and compare the actual distance with the odometer.
      2. Confirm that the original size tires and wheels are fitted and that the axle ratio is as specified on the SPID label and has not been modified.
      3. If those are correct and the odometer is beyond the limit, look at the relationship between the VSS and the reluctor on the transmission output shaft, and inspect the associated wiring and connectors closely.

    3. 3Correction

      Repair

      • Finally, it may be necessary to exchange the instrument panel cluster (IPC) for a replacement unit.

      Caution

      • A tolerance of plus or minus 4% is generally allowed, but each dealer must know the local requirements before verifying an odometer.
      • Do not compare with another vehicle or with the trip odometer; expressway mileage markers are typically not accurate enough either.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：1995-2016 GM passenger cars and light duty trucks.
    • Condition：The customer says the odometer appears inaccurate compared with a known distance traveled.
    • Caution：A tolerance of plus or minus 4% is generally allowed, but each dealer must know the local requirements before verifying an odometer.
    • Confirm：On a straight road over a mile long, mark a GPS waypoint when the odometer (not the trip odometer) rolls over a digit, take a reading when it rolls to the next digit, and compare the actual distance with the odometer.
    • Caution：Do not compare with another vehicle or with the trip odometer; expressway mileage markers are typically not accurate enough either.
    • Confirm：Confirm that the original size tires and wheels are fitted and that the axle ratio is as specified on the SPID label and has not been modified.
    • Confirm：If those are correct and the odometer is beyond the limit, look at the relationship between the VSS and the reluctor on the transmission output shaft, and inspect the associated wiring and connectors closely.
    • Repair：Finally, it may be necessary to exchange the instrument panel cluster (IPC) for a replacement unit.

    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 vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.

  14. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15

    OnStar Hands-free Calling Audio Distortion

    1. 1Fault

      • After the OnStar Canada Upgrade, audio may be distorted or of poor quality when certain numbers are dialed with OnStar Handsfree Calling.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician about vehicles that when dialing certain numbers using OnStar Hands-free Calling, the audio is distorted or has poor quality after performing the OnStar Canada Upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2000-2015 GM passenger cars and trucks.
    • Condition：After the OnStar Canada Upgrade, audio may be distorted or of poor quality when certain numbers are dialed with OnStar Handsfree Calling.

    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 when dialing certain numbers using OnStar Hands-free Calling, the audio is distorted or has poor quality after performing the OnStar Canada Upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.

  15. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15(1 earlier editions of this document folded here)

    Turn-by-Turn Navigation Unavailable for Canadian Vehicles in US

    1. 1Fault

      • A Canadian customer travelling in the United States cannot connect to OnStar or use hands-free calling.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a ?500 phone number? The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2000-2015 GM passenger cars and light duty trucks.
    • Condition：A Canadian customer travelling in the United States cannot connect to OnStar or use hands-free calling.

    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 are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a ?500 phone number? The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.

  16. Manufacturer communication2006 GMC YUKON DENALI ・ 2017-08-15

    OnStar System Power Issue Diagnostic Procedure

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      • With the issue present, turn off the ignition, cancel RAP, and perform a 5 minute power cycle of the VCIM.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2006-2015 GM passenger cars and trucks with OnStar (UE1).
    • Repair：With the issue present, turn off the ignition, cancel RAP, and perform a 5 minute power cycle of the VCIM.

    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 have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.

ELECTRICAL SYSTEM4

  1. Manufacturer communication2001–2006 GMC YUKON DENALI ・ 2018-05-21(4 earlier editions of this document folded here)

    Radio and Instrument Cluster Warranty Claims

    1. 1Fault

      • Radios and instrument panel clusters have been returned with physical damage that makes problem analysis difficult and the root cause impossible to determine.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This informational bulletin provides information regarding the inappropriate warranty claims submitted for damaged radios and instrument panel clusters, provides exampls on whats an acceptable for warranty and whats not

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2013 and prior GM passenger cars and light duty trucks.
    • Condition：Radios and instrument panel clusters have been returned with physical damage that makes problem analysis difficult and the root cause impossible to determine.

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

    Remedy
    This informational bulletin provides information regarding the inappropriate warranty claims submitted for damaged radios and instrument panel clusters, provides exampls on whats an acceptable for warranty and whats not

  2. Manufacturer communication2006 GMC YUKON DENALI ・ 2018-04-23

    Aftermarket ALSL or DLC Devices - Multiple Issues

    1. 1Fault

      • Bus or LAN traffic may stay active, leading to a discharged vehicle battery.
      • C0561 may be stored in the EBCM, leading to a traction control issue.
      • The engine warning lamp may come on with numerous communication DTCs such as U0100, U0101, U186B and U1862.
      • The transmission may not shift for one key cycle, with the TCM in default mode.

    2. 2Finding the cause

      Possible causes

      • Monitoring devices and other electronic accessories such as aftermarket cruise control or police speed checking devices may cause one or more of these concerns.
      • Many of the problems could be caused by an open connection on the HSCAN bus.

      Steps to confirm (in the document’s order)

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

    3. 3Correction

      Repair

      1. If the device is available, try to duplicate the condition, then remove the device to see whether the condition is eliminated.
      2. If the condition remains with the device removed, continue diagnosing the vehicle with the appropriate Service Information.

      Caution

      • Some devices carry a second DLC connector, and the device and harness can be hidden so 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：Applies to 2006-2014 GM passenger cars and trucks.
    • 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：Bus or LAN traffic may stay active, leading to a discharged vehicle battery.
    • Condition：C0561 may be stored in the EBCM, leading to a traction control issue.
    • Condition：The engine warning lamp may come on with numerous communication DTCs such as U0100, U0101, U186B and U1862.
    • Condition：The transmission may not shift for one key cycle, with the TCM in default mode.
    • Cause：Monitoring devices and other electronic accessories such as aftermarket cruise control or police speed checking devices may cause one or more of these concerns.
    • Cause：Many of the problems could be caused by an open connection on the HSCAN bus.
    • Confirm：If normal diagnostics find no root cause, check for a tracking or maintenance-scheduling device plugged into the ALDL / Data Link Connector (DLC).
    • Caution：Some devices carry a second DLC connector, and the device and harness can be hidden so the technician may not notice that the diagnostic connector is not in the factory location.
    • Repair：If the device is available, try to duplicate the condition, then remove the device to see whether the condition is eliminated.
    • Repair：If the condition remains with the device removed, continue diagnosing the vehicle with the appropriate Service Information.

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

    Remedy
    This technical bulletin provides a procedure on aftermarket ALSL or DLC devices causing multiple issues due to suspected tampering.

  3. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15

    Bluetooth Voice Recognition Issue with iPhone

    1. 1Fault

      • Emoji icons in the customer's iPhone Contacts list may keep Bluetooth voice recognition from working properly.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2016 and prior GM passenger cars and trucks.
    • Condition：Emoji icons in the customer's iPhone Contacts list may keep Bluetooth voice recognition from working properly.

    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 an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.

  4. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15(1 earlier editions of this document folded here)

    OnStar System Progression Tones Service Communication

    1. 1Fault

      • Pressing the OnStar blue button, the red emergency button or the hands-free call button results in cellular messages, progression tones, dropped calls or no data on the call with OnStar.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2000-2015 GM passenger cars and light duty trucks with OnStar Gen6, Gen7, Gen8 or Gen9.
    • Condition：Pressing the OnStar blue button, the red emergency button or the hands-free call button results in cellular messages, progression tones, dropped calls or no data on the call with OnStar.

    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 vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.

COMMUNICATION2

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-09-07

    OnStar Voice Fallback Number Update

    1. 1Fault

      • During the GM of Canada OnStar Cellular Communication Upgrade, some customers received hardware that requires a software update.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      OnStar Voice Fallback Number Update

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to Buick, Cadillac, Chevrolet, GMC and Pontiac passenger cars and light duty trucks, model years 2000 to 2015.
    • Condition：During the GM of Canada OnStar Cellular Communication Upgrade, some customers received hardware that requires a software update.

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

    Remedy
    OnStar Voice Fallback Number Update

  2. Manufacturer communication2006 GMC YUKON DENALI ・ 2018-05-21

    OnStar Vehicle Communication Interface Module Part Restriction

    1. 1Fault

      • Depending on model year and vehicle, the VCIM may be identified by different component functional names in the Service Information and on the scan tool.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This informational bulletin provides information on part restriction and ordering process information for onstar vehicle communication interface modules.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2012-2013 GM passenger cars and trucks equipped with OnStar.
    • Condition：Depending on model year and vehicle, the VCIM may be identified by different component functional names in the Service Information and on the scan tool.

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

    Remedy
    This informational bulletin provides information on part restriction and ordering process information for onstar vehicle communication interface modules.

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