GMC Sierra Service Bulletins (2020)
1,991 manufacturer communications on file.
- October 14, 2019•Document ID: 10168193Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 18NA361
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
Associated Products (8)Associated Documents - October 14, 2019•Document ID: 10168175Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 16NA338
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
Associated Products (660)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 Impala2020 Chevrolet Malibu+ 640 moreAssociated Documents - October 14, 2019•Document ID: 10167435Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- PIT5544C
- Date Added:
- November 12, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
Associated Products (10)Associated Documents - October 11, 2019•Document ID: 10168220Service Bulletin/Repair InstructionsVISIBILITY
- Mfr Comm. #:
- PIE0532A
- Date Added:
- November 25, 2019
- Manufacturer:
- GMC
SummaryThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to gathering information for the power outside folding mirror with the conditions of having shakes, clicking and/or noisy while folding or loose between the mirror head and mirror base.
Associated Products (4)Associated Documents - October 10, 2019•Document ID: 10168186Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL
- Mfr Comm. #:
- 18NA279
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
Associated Products (44)2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Spark2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 Chevrolet Trax2020 GMC Acadia2020 GMC Sierra2020 GMC Yukon+ 24 moreAssociated Documents - October 10, 2019•Document ID: 10167433Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- PIP5655A
- Date Added:
- November 12, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Associated Products (2)Associated Documents - October 9, 2019•Document ID: 10168208Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 100089009C
- Date Added:
- November 25, 2019
- Manufacturer:
- GMC
SummaryThis informational bulletin provides information on key code security and information on GM key code look up applications.
Associated Products (772)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+ 752 moreAssociated Documents - October 9, 2019•Document ID: 10168205Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 010601011K
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
Associated Products (646)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+ 626 moreAssociated Documents - October 8, 2019•Document ID: 10168176Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 16NA361
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.
Associated Products (65)2020 Cadillac CT42020 Cadillac CT62020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Sierra2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Express2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Savana2019 GMC Sierra2018 Cadillac ATS+ 45 moreAssociated Documents - October 8, 2019•Document ID: 10167478Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- Mfr Comm. #:
- N192266751
- Date Added:
- November 12, 2019
- Manufacturer:
- CHEVROLET
SummaryN192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel engine fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2.The customer may complain of excessive engine fan noise at a low vehicle speed. 3.Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module.
Associated Products (2)Associated Documents - October 7, 2019•Document ID: 10168235Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 19NA228
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.
Associated Products (4)Associated Documents - October 3, 2019•Document ID: 10167425Service Bulletin/Repair InstructionsFORWARD COLLISION AVOIDANCE
- Mfr Comm. #:
- PIT5551E
- Date Added:
- November 12, 2019
- Manufacturer:
- CADILLAC
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".
Associated Products (82)2020 Buick Enclave2020 Cadillac CT62020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon XL2019 Buick Enclave2019 Cadillac ATS2019 Cadillac CT6+ 62 moreAssociated Documents - October 2, 2019•Document ID: 10168204Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 010089010N
- Date Added:
- November 25, 2019
- Manufacturer:
- GMC
SummaryThis informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
Associated Products (549)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 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 529 moreAssociated Documents - October 2, 2019•Document ID: 10168188Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 18NA306
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
Associated Products (380)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 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 360 moreAssociated Documents - October 2, 2019•Document ID: 10167424Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5664C
- Date Added:
- November 12, 2019
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the dealer technician to refer to Service Update N192266750.
Associated Products (2)Associated Documents - October 2, 2019•Document ID: 10167423Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- PIP5677A
- Date Added:
- November 12, 2019
- Manufacturer:
- CHEVROLET
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 (9)Associated Documents - October 1, 2019•Document ID: 10168177Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 16NA372
- Date Added:
- November 25, 2019
- Manufacturer:
- CHEVROLET
SummaryThis bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.
Associated Products (8)Associated Documents - October 1, 2019•Document ID: 10167472Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- N192266750
- Date Added:
- November 12, 2019
- Manufacturer:
- CHEVROLET
SummaryN192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel engine fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2.The customer may complain of excessive engine fan noise at a low vehicle speed. 3.Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module.
Associated Products (2)Associated Documents - October 1, 2019•Document ID: 10167421Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIP5682
- Date Added:
- November 12, 2019
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates the potential for DTCs P2C7A and/or P14D9 to set, the current procedure to clear them and that an ECM calibration is being developed.
Associated Products (2)Associated Documents - September 30, 2019•Document ID: 10166658Service Bulletin/Repair InstructionsPOWER TRAIN:AUTOMATIC TRANSMISSION
- Mfr Comm. #:
- 19NA216
- Date Added:
- October 28, 2019
- Manufacturer:
- GMC
SummaryThis technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.
Associated Products (2)Associated Documents