WenmarOpen by Wenmar Pro

Service bulletins for the 2023 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
18-NA-0732024-10-11. Service bulletin. ENGINE. 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.
24-NA-1742024-10-10. Service bulletin. UNKNOWN OR OTHER. The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
24-NA-1642024-09-25. Service bulletin. VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
24-NA-1392024-09-25. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
24-NA-0682024-09-25. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
23-NA-0862024-09-21. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
05-03-08-002J2024-09-20. Service bulletin. SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
05-03-08-002J2024-09-20. Service bulletin. SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
PIT5987A2024-09-12. Service bulletin. STEERING. This Preliminary information communicates that a customer may come to the dealer complaining of a whining noise from the steering system. The dealer is advised not to perform any repairs at this time. Engineering is working on a repair for this concern. When a repair is available a bulletin will be released.
23-NA-1642024-09-12. Service bulletin. STRUCTURE:BODY; ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work)
23-NA-1632024-09-11. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00, B3926 00, B3927 00, B3928 00 Set.
23-NA-0442024-09-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
19-NA-0202024-09-11. Service bulletin. ENGINE. This service bulletin provides information on the new oil filter UPF63R to be used on the HFV6 Engines.
PIT6101H2024-09-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6101G2024-09-09. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Engineering is investigating a no audio issue.
PIP5964D2024-09-06. Service bulletin. ENGINE. This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found.
PIT3271P2024-09-06. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
23-NA-1412024-09-06. Service bulletin. ENGINE. This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
16-NA-2222024-09-05. Service bulletin. ENGINE. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
09-06-04-026Y2024-09-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
07-06-01-016J2024-09-05. Service bulletin. ENGINE. This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
05-06-04-022V2024-09-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
01-06-01-011P2024-09-05. Service bulletin. ENGINE. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
PIT6101F2024-09-04. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates Engineering is investigating a no audio issue.
24-NA-1392024-09-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.

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