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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
PIT5985E2024-09-14. Service bulletin. UNKNOWN OR OTHER. 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.
PIT62262024-09-13. Service bulletin. VISIBILITY/WIPER. This Preliminary information communicates that a vehicle may be encountered with windshield wipers that work on high only. The tech is directed to check the part number on the B117A Windshield Outside Moisture Ambient Light and Humidity Sensor and replace it if the wrong one was installed.
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.
PIP5981A2024-09-12. Service bulletin. POWER TRAIN. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
24-NA-0922024-09-12. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Radio Software Version is W38E-174.4.1-M170-SQBR5-180.3.
23-NA-2272024-09-12. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 – Multiple Updates for IVD.
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.
PIT62172024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, GM is aware and will release a bulletin for the update once available.
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.
PIT6044K2024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT6151A2024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
PIT6101H2024-09-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT62152024-09-11. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
PIT6157A2024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, it is normal operation and nothing should be replaced.
PIT62142024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates information of an OnStar software concern.
PIC6546A2024-09-11. Service bulletin. SEATS. This Preliminary information communicates a vehicle may be encountered with a service driver assist message and no codes. The technician is directed on how to test the haptic seat motors and circuits for a potential failure of a circuit. If a failed circuit is found the tech is directed to replace the seat harness.
PIT6044J2024-09-09. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT62102024-09-09. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a vehicle may be encountered with the left temperature control knob inoperative. All other HVAC functions will work properly. The tech is advised to replace the radio display.
PIT6101G2024-09-09. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6182A2024-09-06. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates if a customer and service tech encounter this issue, it is a settings option that can be turned off to correct.
PIT62042024-09-06. Service bulletin. WHEELS. This Preliminary information communicates that a message "temperature unknown" may be seen on the display when viewing tire pressure information. The tech is directed to perform no repairs at this time. A resolution will be available in the next software release.
PIT61992024-09-06. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates if a customer and service tech encounter this issue, this is normal operation and nothing should be replaced/repaired.
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.

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