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Service bulletins for the 2023 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.

1426 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
N232399010-012023-03-31. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service Update Revision: Certain vehicles may experience an intermittent loss of communication with the Transmission Control Module (TCM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates. Dealers will perform a TCM module reprogramming.
PIE0737B2023-03-30. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information (EI) closure ends the need for further information from technicians in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
PIE0737A2023-03-30. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
23-NA-0442023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
23-NA-0382023-03-30. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to perform a transmission service quick learn if found that the OTA update was done and reset all the values that may cause the customers concern.
23-NA-0372023-03-30. Service bulletin. TIRES; TIRES:TEMPORARY/EMERGENCY SPARE TIRE. This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire Size for Accessory Wheel Packages.
23-NA-0352023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Instrument Cluster RPO UDV 162.2 Software Update – Multiple Updates.
23-NA-0342023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 – Multiple Updates for IOK.
23-NA-0322023-03-30. Service bulletin. ENGINE AND ENGINE COOLING. The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.
20-NA-1592023-03-30. Service bulletin. TIRES; WHEELS. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
18-NA-3612023-03-30. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL. This 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.
13-02-32-001G2023-03-30. Service bulletin. STEERING. This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
N2223915102023-03-28. Service bulletin. ELECTRICAL SYSTEM. Customer Satisfaction Program - certain vehicles, may have a body harness that is missing various circuits. Dealers are to replace the body harness circuits with a VIN specific harness.
N2223926702023-03-17. Service bulletin. POWER TRAIN. Stop Delivery Order for Upcoming Service Update Bulletin N222392670
N222378560-052023-03-15. Service bulletin. SEATS. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front driver and passenger seat cushion ventilation blowers are not functional on certain 2022-2023 model year vehicles listed above, built beginning March 30, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the non-functional seat cushion ventilation blower with a functional one. Note: Some vehicles may also require the Heated/Ventilated Seat retrofit which must be performed prior to completing this procedure. Use IVH to verify if the vehicle is involved in the Heated/Ventilated Seats Retrofit (N212354520 or N212354522).
PIT59852023-03-13. Service bulletin. POWER TRAIN. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT5873G2023-03-13. Service bulletin. POWER TRAIN; PARKING BRAKE. This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. On certain models, dealerships are to reprogram the BCM to correct the issue. The remaining models engineering is working on a fix.
PIP5879B2023-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This Preliminary information communicates that the exhaust aftertreatment catalytic converter assemble w/filter is on a parts restriction.
PIT5744C2023-03-13. Service bulletin. BACK OVER PREVENTION; VISIBILITY. This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PIT5732C2023-03-13. Service bulletin. FUEL SYSTEM, GASOLINE; STRUCTURE. This Preliminary information provides information to the technician on relocating the DEF tank to install a service body. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5733C2023-03-13. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT59902023-03-13. Service bulletin. STRUCTURE; BACK OVER PREVENTION. This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.
PIT5551J2023-03-13. Service bulletin. FORWARD COLLISION AVOIDANCE. This 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".
PIT5912G2023-03-13. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
PIT5883H2023-03-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates vehicles being built without certain options due to a parts shortage.

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