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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

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
22-NA-1472023-04-14. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Service 4–Wheel Drive Message Illuminated in DIC with DTC C15AC Set.
23-NA-0382023-04-13. 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.
16-NA-0192023-04-13. Service bulletin. POWER TRAIN. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
21-NA-1062023-04-12. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
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.
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.
N2223926702023-03-17. Service bulletin. POWER TRAIN. Stop Delivery Order for Upcoming Service Update Bulletin N222392670
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.
PIT5873F2023-03-13. 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.
PIP59012023-03-13. Service bulletin. POWER TRAIN. This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development.
PIT5873E2023-03-13. 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. Engineering is working on a fix.
PIP59002023-03-13. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer a diagnostic and repair direction to a possible engine crankshaft bearing failure.
N2323990102023-03-10. Service bulletin. POWER TRAIN. Service Update- 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.
16-NA-1302023-03-08. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY. This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.
99-04-20-002N2023-03-03. Service bulletin. POWER TRAIN. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
23-NA-0242023-03-03. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. This technical bulletin provides a procedure to remove and re-install the fuse to reset the TCM ito correct the customer's concern.
N2223913102023-03-02. Service bulletin. POWER TRAIN. Service Update- Certain vehicles may have a condition in which the torque converter housing access hole cover was not installed. Dealers are to install the torque converter housing access hole cover.
21-NA-1062023-02-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
22-NA-0152023-02-08. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.
21-NA-2812023-02-08. Service bulletin. POWER TRAIN. This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
PIP58932023-01-30. Service bulletin. POWER TRAIN. This Preliminary information communicates that improper installation of the valve body may cause an unawanted Service Transmission message with no DTC'S.
20-NA-1872023-01-25. Service bulletin. POWER TRAIN. This service bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.
22-NA-1822023-01-06. Service bulletin. POWER TRAIN. This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern.
19-NA-1362023-01-06. Service bulletin. POWER TRAIN. This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.

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