WenmarOpen by Wenmar Pro

Service bulletins for the 2024 Chevrolet Blazer

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
23-NA-1542023-10-16. Service bulletin. EQUIPMENT. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
23-NA-1542023-10-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
23-NA-1512023-10-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
17-NA-1572023-09-26. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
23-NA-1532023-09-26. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
18-NA-3062023-09-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
PIT6018G2023-09-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
PIT5832J2023-09-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985B2023-09-18. 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.
PIP59312023-09-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for the 2024 Chevrolet Blazer EV
PIP59302023-09-18. Service bulletin. EQUIPMENT:ELECTRICAL; STRUCTURE. This Preliminary information communicates that the High Voltage Battery pack is on TAC restriction where TAC will Authorize the full HV Battery pack Exchange with Engineering Review needed.
PIT60352023-09-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates that Chevrolet Blazer EV Specific parts are being placed on a TAC Restriction
PIT5551L2023-09-18. 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".
PIT6047B2023-09-18. Service bulletin. BACK OVER PREVENTION:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update.
PIT6047A2023-09-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update.
PIT6044A2023-09-18. Service bulletin. BACK OVER PREVENTION:SOFTWARE. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT60472023-09-18. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update.
18-NA-0732023-09-15. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
23-NA-1362023-09-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 2024 Chevrolet Blazer EV New Model Features
23-NA-1352023-09-15. Service bulletin. POWER TRAIN. This informational bulletin advises the changes to some of the 9-speed automatic transmission oil control changes from previous years.
18-NA-3062023-09-13. Service bulletin. EQUIPMENT. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
09-00-89-016H2023-09-13. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
23-NA-1412023-09-13. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin advised the technician that the engine and related parts will be debited if found that the tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
N2324222902023-09-12. Service bulletin. EQUIPMENT. Stop Delivery Order Await Communication: Reference Number N232422290
21-NA-1812023-09-09. Service bulletin. POWER TRAIN. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.

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