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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
22-NA-0802025-10-16. Service bulletin. ENGINE. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
PIP6068C2025-10-06. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
652.502025-10-01. Over-the-air update. UNKNOWN OR OTHER. • Fixes to address reduced propulsion During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
22-NA-1822025-09-27. Service bulletin. POWER TRAIN. This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
22-NA-1612025-09-27. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
PIP6083A2025-09-25. Service bulletin. UNKNOWN OR OTHER. This preliminary information informs the dealer of an engine no start issue that may be the result of a failed ECM update. Dealers are instructed to attempt ECM programming and replacement if needed.
PIT64352025-09-25. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
PIT5479H2025-09-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
PIT64322025-09-17. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with an SES MIL and reduced power steering, and brake assist that engineering is working on a fix.
N2525083402025-09-16. Service campaign. ENGINE. Certain vehicles may have a condition that could cause the engine coolant control valve to fail. If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) will illuminate and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. Dealers are to replace the coolant control valve as necessary. The repairs will be made at no charge to the customer.
PIP5865H2025-09-16. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIP6068B2025-09-16. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
PIT6053C2025-09-16. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
135982025-09-10. Other. UNKNOWN OR OTHER. New Vehicle Monitoring Programs Section in IVH
25-NA-1182025-09-10. Service bulletin. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
PIP60832025-09-09. Service bulletin. UNKNOWN OR OTHER. This preliminary information informs the dealer of an engine no start issue that may be the result of a failed ECM update. Dealers are instructed to attempt ECM programming and replacement if needed.
N2525103202025-09-08. Service campaign. UNKNOWN OR OTHER. Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). 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.
25-NA-1142025-09-06. Service bulletin. STRUCTURE:BODY. This informational bulletin provides information on Anti-Chip Coating Appearance.
N252510321-022025-09-05. Service campaign. UNKNOWN OR OTHER. Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). 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.
N25-2510322025-08-29. Over-the-air update. UNKNOWN OR OTHER. GM Update N25-251032 • Improvements to low oil pressure message. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
N25-2503072025-08-29. Over-the-air update. UNKNOWN OR OTHER. GM Update N25-250307 • Updates to reduce erroneous engine alerts. • Improvements to accuracy of alerts. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
N25-2504032025-08-29. Over-the-air update. UNKNOWN OR OTHER. • Improves Check Engine Light accuracy. • Improves behavior of aero shutter system in freezing temperatures. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
N25-2505522025-08-29. Over-the-air update. UNKNOWN OR OTHER. • Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issues. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
N25-F163BU2025-08-29. Over-the-air update. UNKNOWN OR OTHER. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
N25-2503802025-08-29. Over-the-air update. UNKNOWN OR OTHER. Software Update for your 24MY Chevrolet Silverado / GMC Sierra: * Improvements to software performance. * Fixes for audio system performance. * Improvements to connectivity for Bluetooth. * Fixes to help ensure successful software updates and notifications. * Fixes to address instances of inactive driver display. * Improvements to functionality for USB and steering wheel controls. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

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