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
Only bulletins with component: Heating and air conditioning are shown. Show all
| PIT6099A | 2024-01-29. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This PI states that a vehicle may be encountered with a concern that the HVAC controls are inoperative. The dealer technician is instructed to reprogram the radio to resolve this concern. |
|---|---|
| PIT6099 | 2024-01-29. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This PI states that a vehicle may be encountered with a concern that the HVAC controls are inoperative. The dealer technician is instructed to reprogram the radio to resolve this concern. |
| 23-NA-221 | 2023-12-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This technical bulletin provides a procedure for Sun Load, Ambient Light, and Charge Indicator Sensor Replacement to correct a customer concern of A/C Inoperative or A/C blows warm to hot air. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.