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Service bulletins for the 2024 Chevrolet Trailblazer

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
24-NA-0842025-01-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides repair information to correct a customer concern of software related issues with release of Radio Software Version 169.3.
22-NA-0532025-01-09. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
22-NA-0382025-01-09. Service bulletin. UNKNOWN OR OTHER. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
18-NA-2632025-01-09. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
23-NA-0642025-01-03. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
24-NA-2592024-12-20. Service bulletin. UNKNOWN OR OTHER; VISIBILITY/WIPER. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
22-NA-2382024-12-19. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
08-07-30-035I2024-12-19. Service bulletin. POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
21-NA-1812024-12-18. Service bulletin. POWER TRAIN. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
19-NA-2192024-12-17. Service bulletin. ENGINE. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
PIP60332024-12-16. Service bulletin. POWER TRAIN. This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces.
PIP60322024-12-16. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .
PIP60312024-12-16. Service bulletin. POWER TRAIN. This Preliminary information communicates to technicians that to seperate the case halves clean the mating surfaces and replace the gasket.
PIP60302024-12-16. Service bulletin. POWER TRAIN. This Preliminary information communicates the ability to disassemble inspect and replace park system components.
PIT5962B2024-12-12. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIP5947C2024-12-11. Service bulletin. ENGINE. This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption, blue smoke from the exhaust system at low mileage. Can also possibly cause a misfire or idle surge and may or may not set history or current codes P0300 P050D P0521 P06DE P1101. It advises inspections for potential engine camshaft cover replacement.
24-NA-0722024-12-10. Service bulletin. SERVICE BRAKES. This technical bulletin provides a procedure a squeal noise heard from the front of the vehicle during light brake pedal application.
21-NA-0432024-12-10. Service bulletin. STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PIC65872024-12-09. Service bulletin. UNKNOWN OR OTHER; LANE DEPARTURE: ASSIST; LANE DEPARTURE: WARNING. This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
PIC6552D2024-12-09. Service bulletin. LANE DEPARTURE: ASSIST; UNKNOWN OR OTHER; LANE DEPARTURE: WARNING. This Preliminary information communicates how to recover the Image Processing Module.
PIP5974E2024-12-09. Service bulletin. POWER TRAIN. This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
PIT62632024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to the technician a diagnostic tip, to inspect the negative battery cable if they encounter an intermittent no crank/start or stall condition.
PIT5551P2024-12-05. Service bulletin. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. 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".
PIP60252024-12-04. Service bulletin. POWER TRAIN. This Preliminary information communicates possible transmission fluid leak in the torque converter housing area from loose pump bolts.
23-NA-0212024-12-04. Service bulletin. ENGINE; POWER TRAIN. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

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