Service bulletin A202321990
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10200192 |
| Published by NHTSA | 2021-08-09 |
| Manufacturer's number | A202321990 |
| Manufacturer's date | 2021-06-24 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); EQUIPMENT; ELECTRICAL SYSTEM |
NHTSA's summary
Service Update. Certain vehicles may have engine control module software that leads to erroneous additional fuel enrichment under rare driving conditions. Dealers are to reprogram the engine control module.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine, Equipment and accessories, Engine control module
| BUICK ENCORE GX | 2020, 2021 |
|---|---|
| CHEVROLET CAMARO | 2021 |
| CHEVROLET MALIBU | 2019, 2020, 2021 |
| CHEVROLET TRAILBLAZER | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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