TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
Service Update Bulletin. Certain vehicles may have a condition where the engine control module (ECM) software allows the Auto Stop to occur at a state of charge below 65%. Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge. Dealers are to reprogram the ECM.

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Date Published
APR 27, 2021
NHTSA TSB #
10194131
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