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Chevrolet TSB #N202307990 launc
2018 Chevrolet Volt
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Customer Satisfaction Program. Certain vehicles may have a condition related to the high voltage battery which could gradually lose the ability to maintain voltage. If battery concerns are not addressed, the vehicle could enter a reduced propulsion mode while driving, or lose propulsion, or it may not start. Dealers are to update the Hybrid Powertrain Control Module (HPCM2). This software update is intended to increase the amount of warning time provided.
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