GMC Sierra Service Bulletins (2020)
1,991 manufacturer communications on file.
- June 26, 2020•Document ID: 10178353Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- PIT3665J
- Date Added:
- August 10, 2020
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
Associated Products (120)2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Savana2020 GMC Sierra2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 GMC Savana2019 GMC Sierra2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 GMC Savana2018 GMC Sierra2017 Chevrolet Express2017 Chevrolet Silverado2017 Chevrolet Suburban2017 GMC Savana2017 GMC Sierra2016 Chevrolet Express+ 100 moreAssociated Documents - June 26, 2020•Document ID: 10178350Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP4912G
- Date Added:
- August 10, 2020
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic of current vehicle design.
Associated Products (34)2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Express2016 Chevrolet Silverado2016 GMC Savana2016 GMC Sierra2015 Chevrolet Express2015 Chevrolet Silverado2015 GMC Savana2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra+ 14 moreAssociated Documents - June 25, 2020•Document ID: 10178345Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- PIP5504E
- Date Added:
- August 10, 2020
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians are referred to Torque Converter Diagnosis in SI.
Associated Products (35)2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon XL2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Savana2018 GMC Sierra+ 15 moreAssociated Documents - June 25, 2020•Document ID: 10178282Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 20NA132
- Date Added:
- August 10, 2020
- Manufacturer:
- GMC
SummaryThis warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
Associated Products (241)2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Malibu+ 221 moreAssociated Documents - June 24, 2020•Document ID: 10207730Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- N192285071
- Date Added:
- February 7, 2022
- Manufacturer:
- GMC
SummaryCustomer Satisfaction Program. As part of equipment recall N192285070, GM instructed dealers to remove recalled tri-fold tonneau covers on certain vehicles prior to delivery to the customer. GM is conducting this customer satisfaction field action to provide these customers with the improved tonneau cover system for their vehicle. Dealers will replace the tonneau rails and clamps and add a tether to prevent the tonneau from detaching onto the roadway even if improperly installed. If the vehicle was covered by equipment recall 19E031 (N192217500), the dealer will also confirm that the repair for equipment recall 19E031 (N192217500) was correctly performed.
Associated Products (4)Associated Documents - June 24, 2020•Document ID: 10178268Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 20NA100
- Date Added:
- August 10, 2020
- Manufacturer:
- GMC
SummaryThis informational bulletin provides information for dealers/technicians on Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set.
Associated Products (4)Associated Documents - June 23, 2020•Document ID: 10178343Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIT5509G
- Date Added:
- August 10, 2020
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
Associated Products (44)2020 Chevrolet Colorado2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Canyon2020 GMC Sierra2020 GMC Yukon XL2019 Chevrolet Colorado2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Canyon2019 GMC Sierra2019 GMC Yukon2018 Chevrolet Colorado2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Canyon2018 GMC Sierra+ 24 moreAssociated Documents - June 23, 2020•Document ID: 10178341Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5742
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.
Associated Products (4)Associated Documents - June 23, 2020•Document ID: 10178288Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 20NA138
- Date Added:
- August 10, 2020
- Manufacturer:
- PONTIAC
SummaryThis bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
Associated Products (651)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+ 631 moreAssociated Documents - June 22, 2020•Document ID: 10178337Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIT5689B
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. Will review for deletion or update when PIE0572 ends.
Associated Products (4)Associated Documents - June 22, 2020•Document ID: 10178299Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- PIE0572
- Date Added:
- August 10, 2020
- 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 a on a no restart after auto-stop event and/or, no crank.
Associated Products (4)Associated Documents - June 18, 2020•Document ID: 10178335Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- PIT5754
- Date Added:
- August 10, 2020
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern.
Associated Products (13)Associated Documents - June 18, 2020•Document ID: 10177368Service Bulletin/Repair InstructionsSTEERING; ELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- N202294740 01
- Date Added:
- July 20, 2020
- Manufacturer:
- CADILLAC
SummaryService Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules.
Associated Products (2)Associated Documents - June 17, 2020•Document ID: 10178269Service Bulletin/Repair InstructionsEQUIPMENT; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; STRUCTURE:BODY:TAILGATE
- Mfr Comm. #:
- 20NA105
- Date Added:
- August 10, 2020
- Manufacturer:
- GMC
SummaryThis technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed.
Associated Products (2)Associated Documents - June 16, 2020•Document ID: 10178331Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5735
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake.
Associated Products (2)Associated Documents - June 16, 2020•Document ID: 10178327Service Bulletin/Repair InstructionsSERVICE BRAKES; EQUIPMENT
- Mfr Comm. #:
- PIT5674A
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates that after installation of GM Accessory Performance Brake Pads it may be noticed the EBCM has set DTC(s) C116C 05 and/or C116B 05. There will be NO warning lights or messages displayed on the IPC/DIC. The GM Accessory Performance Brake Pads do not utilize the brake pad wear sensor. None. These DTC(s) do not cause any warning lights or messages to be displayed in the IPC/DIC. Per the GM Accessory Performance Brake installation instructions, the brake pad sensor connector should be capped with the supplied cap and the brake pad life system disabled in the DIC.
Associated Products (4)Associated Documents - June 15, 2020•Document ID: 10178293Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 990089019T
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
Associated Products (238)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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 218 moreAssociated Documents - June 15, 2020•Document ID: 10177365Service Bulletin/Repair InstructionsSTRUCTURE:BODY:HOOD; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- N202306491 Messa
- Date Added:
- July 20, 2020
- Manufacturer:
- CHEVROLET
SummaryService Update (Revised Population). The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. The vehicles involved in this service update have previously had a hood assembly replacement under recall N192284960. These customers are now being asked to bring their vehicle back in for another hood replacement under Safety Recall N202306490. For their inconvenience, dealers are to offer the customer a selection of one of the available goodwill tools listed in this bulletin. Because each customer has unique preferences, please offer all options found in this bulletin to the customer and allow them to select the one that best suits their situation. Please note that not all vehicles in Safety Recall N202306490 are included in this service update. The goodwill offer described in this bulletin should be presented to the involved customer when they pick up their vehicle after having Safety Recall N202306490 performed on the vehicle. Population reduced.
Associated Products (2)Associated Documents - June 13, 2020•Document ID: 10178326Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS
- Mfr Comm. #:
- PIP5737
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates additional diagnostic tips when diagnosing engine oil leaks on these vehicles.
Associated Products (5)Associated Documents - June 12, 2020•Document ID: 10178322Service Bulletin/Repair InstructionsEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- PIT5752
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.
Associated Products (4)Associated Documents