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August 17, 2022 Service bulletin

Certain vehicles are to receive a software update to improve the original Advanced Diagnostic Software

Chevrolet technical service bulletin N222369400 for 2017-2019 Chevrolet Bolt EV.

Bulletin number
N222369400
Component
Electrical system
Summary
Certain vehicles are to receive a software update to improve the original Advanced Diagnostic Software. This software update addresses customer reports of difficulty connecting to a charger (2019 MY only), reduces false diagnostic activation in certain vehicles under certain driving conditions, and prevents diagnostic data loss. Dealers are to reprogram the Hybrid Powertrain Control Module 2 (HPCM2).

Owners of these vehicles have filed 229 complaints in the electrical category.

Vehicles covered

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