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Service bulletin 21NA288

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10207924
Published by NHTSA2022-02-14
Manufacturer's number21NA288
Manufacturer's date2021-12-15
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This service bulletin provides repair information to correct a customer concern of MIL with DTC P0AA1 - Hybrid/EV Battery Positive Contactor Circuit Stuck Closed.

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.

Trouble codes named

P0AA1

Vehicles listed
CHEVROLET BOLT EV2017, 2018, 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.