Service bulletin A202301230
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 | 10176817 |
| Published by NHTSA | 2020-06-29 |
| Manufacturer's number | A202301230 |
| Manufacturer's date | 2020-05-19 |
| NHTSA component | POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE; ENGINE |
NHTSA's summary
SUB - Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a stop/start event. DTC?s P0746 and P0776 may also set illuminating a Check Engine Light. The main pump in the CVT has a priming delay under certain conditions. Dealers will reprogram the transmission control module (TCM) with updated software.
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, Transmission and driveline, Software
Trouble codes named
P0746, P0776
| BUICK ENCORE | 2020 |
|---|---|
| CHEVROLET TRAILBLAZER | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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