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Service bulletins for the 2019 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2009 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
20NA1942020-10-26. Service bulletin. EQUIPMENT; STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box.
20NA1712020-10-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808.
20NA1572020-10-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
20NA1422020-10-26. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
18NA3062020-10-26. Service bulletin. EQUIPMENT; STRUCTURE:BODY. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
18NA2532020-10-26. Service bulletin. EQUIPMENT. This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers.
PIT57522020-10-19. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.
990089019U2020-10-05. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
20NA1712020-09-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808.
18NA0992020-09-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
PIT57672020-09-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser.
PIT5666A2020-09-14. Service bulletin. EQUIPMENT; ENGINE. This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan. Dealers are to reposition the harness to fix the noise.
PIP5653H2020-09-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIT5735C2020-09-14. Service bulletin. EQUIPMENT; FORWARD COLLISION AVOIDANCE: DYNAMIC BRAKE SUPPORT/BRAKE ASSIST; ELECTRICAL SYSTEM. This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down. GM Engineering released updated cals for the BSCM to repair the issue.
PIP5733B2020-09-14. Service bulletin. EQUIPMENT; ENGINE. This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
150089002B2020-09-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.
070842006O2020-09-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
19NA2772020-08-31. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
19NA2552020-08-31. Service bulletin. STRUCTURE; EQUIPMENT. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
PIP5653G2020-08-10. Service bulletin. EQUIPMENT; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIP5684B2020-08-10. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
PIT5674A2020-08-10. Service bulletin. SERVICE BRAKES; EQUIPMENT. This 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.
PIT5564C2020-08-10. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
PIT5206G2020-08-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION; SERVICE BRAKES; EQUIPMENT. This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set. Technician will use this preliminary information to find the brake pedal position data parameters in the scan tool, and also to provide some additional diagnostic help. These issues may be caused by an incorrect brake pedal position sensor input to the engine control module. Technician will verify with the scan tool if the engine control module has the correct parameters for the brake pedal position sensor. If an engine control module brake pedal position sensor relearn is performed, the truck may be temporarily repaired until the intermittent wiring issue between the engine control module and brake pedal position sensor occurs again. On 2014 and newer trucks inspect and repair any damage to X115 and X119. On the 2014 and previous trucks inspect and repair any damage to X205.
PIT57522020-08-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.