CHRYSLER · 2021-08-05
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0AA1-00 - Hybrid/EV Battery Positive Contactor ?A? Stuck Closed. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. P0B3C-00 - Hybrid/EV Battery Voltage Sense 1 Circuit Performance. P0B41-00 - Hybrid/EV Battery Voltage Sense 2 Circuit Performance. P0B46-00 - Hybrid/EV Battery Voltage Sense 3 Circuit Performance. P0B4B-00 - Hybrid/EV Battery Voltage Sense 4 Circuit…