GMC Sierra Service Bulletins (2020)
1,991 manufacturer communications on file.
- September 30, 2019•Document ID: 10165919Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIT5713
- Date Added:
- October 15, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: - IPC gauges sweeping while driving - Several IPC warning messages and MIL displayed - Any combination of the following DTC's: U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U2413 P0107 P0641 C2A07
Associated Products (4)Associated Documents - September 30, 2019•Document ID: 10165917Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5656C
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.
Associated Products (2)Associated Documents - September 30, 2019•Document ID: 10165916Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5637D
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThe Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance
Associated Products (2)Associated Documents - September 27, 2019•Document ID: 10165913Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIP5664B
- Date Added:
- October 15, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set.
Associated Products (2)Associated Documents - September 25, 2019•Document ID: 10165904Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIP4670H
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
Associated Products (259)2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic+ 239 moreAssociated Documents - September 24, 2019•Document ID: 10165902Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5606E
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up). As information comes in the Pi will be updated and when the final repair is out this this PI will be changed to a Bulletin
Associated Products (17)2020 Cadillac Escalade2020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac CTS2019 Cadillac Escalade2019 Chevrolet Camaro2019 Chevrolet Corvette2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon XLAssociated Documents - September 23, 2019•Document ID: 10165901Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- PIP5677
- Date Added:
- October 15, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Associated Products (6)Associated Documents - September 20, 2019•Document ID: 10166672Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- PIE0538
- Date Added:
- October 28, 2019
- Manufacturer:
- CHEVROLET
SummaryThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to 8 speed transmission shift quality.
Associated Products (8)Associated Documents - September 20, 2019•Document ID: 10165898Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIT5711
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected using the Driver Mode Control Switch.
Associated Products (2)Associated Documents - September 18, 2019•Document ID: 10166638Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 17NA073
- Date Added:
- October 28, 2019
- Manufacturer:
- CHEVROLET
SummaryThis warranty administration bulletin provides information regarding the field action courtesy transportation policy.
Associated Products (931)2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala+ 911 moreAssociated Documents - September 18, 2019•Document ID: 10165891Service Bulletin/Repair InstructionsWHEELS
- Mfr Comm. #:
- PIP5646B
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
Associated Products (4)Associated Documents - September 13, 2019•Document ID: 10166670Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIE0536
- Date Added:
- October 28, 2019
- Manufacturer:
- CHEVROLET
SummaryThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan.
Associated Products (4)Associated Documents - September 13, 2019•Document ID: 10165887Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- PIT5709
- Date Added:
- October 15, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new 2020 HD Silverado and Sierra.
Associated Products (2)Associated Documents - September 10, 2019•Document ID: 10165884Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIP5675
- Date Added:
- October 15, 2019
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
Associated Products (6)Associated Documents - September 9, 2019•Document ID: 10165881Service Bulletin/Repair InstructionsSERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
- Mfr Comm. #:
- PIT5707
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed with C050A or C0504 DTC's set. Dealer may find manufacturing debris on the wheel speed sensor reluctor wheel causing this concern. Dealer is to clean the debris from the reluctor wheel and evaluate for concern.
Associated Products (2)Associated Documents - September 9, 2019•Document ID: 10165880Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5656B
- Date Added:
- October 15, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.
Associated Products (2)Associated Documents - September 5, 2019•Document ID: 10165873Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5656A
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
Associated Products (2)Associated Documents - September 5, 2019•Document ID: 10165871Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5637C
- Date Added:
- October 15, 2019
- Manufacturer:
- GMC
SummaryThe Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance.
Associated Products (2)Associated Documents - September 5, 2019•Document ID: 10165870Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIT5448F
- Date Added:
- October 15, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
Associated Products (28)2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2018 Cadillac Escalade ESV2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Yukon2017 Cadillac Escalade ESV2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Yukon+ 8 moreAssociated Documents - September 5, 2019•Document ID: 10165868Service Bulletin/Repair InstructionsFORWARD COLLISION AVOIDANCE
- Mfr Comm. #:
- PIT5551E
- Date Added:
- October 15, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
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