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February 6, 2025 Service campaign

Certain 2020 – 2022 model year Chevrolet Bolt EV and 2022 model year Chevrolet Bolt EUV vehicles may have...

Chevrolet technical service bulletin N232421261 for 2020-2022 Chevrolet Bolt EV and 2022 Chevrolet Bolt Euv.

Bulletin number
N232421261 (N232421261)
Component
Unknown or other
Summary
Certain 2020 – 2022 model year Chevrolet Bolt EV and 2022 model year Chevrolet Bolt EUV vehicles may have a condition in which a false diagnostic trouble code (DTC), U3636 symptom 09, is triggered. This false DTC is resulting in customers experiencing a Malfunction Indicator Lamp (MIL) illuminated in the Driver Information Center (DIC), a Reduced Propulsion message, and a charging limited to 30% State of Charge. Since this is a false DTC, it can lead to unnecessary battery pack replacements. Dealers are to reprogram the Hybrid Powertrain Control Module 2 and provide the customer with a free NACS Adapter.

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