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 notice one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P1A29-00 - Cell Supervisory Circuit A Failure. P1A2A-00 - Cell Supervisory Circuit B Failure.