Service bulletins for the 2021 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.
753 on file from NHTSA, as of 2026-10-19.
About B000A on the 2021 Chevrolet Trailblazer: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: B000A are shown. Show all
| 23-NA-119 | 2025-10-16. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set. |
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| 23-NA-119 | 2024-10-24. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set. |
| 23-NA-119 | 2024-04-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set. |
| 23-NA-119 | 2024-03-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set. |
| 23-NA-119 | 2024-01-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.