08-128-25 REV. A

Flash: Battery Pack Control Module (BPCM) Updates 6A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0DE6 - Hybrid/EV Battery Pack Cell Voltage Low. NOTE: Active or stored.
• P1DAF - Incompatible Limp In Action Requested. NOTE: Active or stored.
• P1CDE – Hybrid/EV Wakeup Control 2 Output Circuit Short to Ground.
• P1CDA – Hybrid/EV Wakeup Control 1 Output Circuit/Open.
• U00C6 – Lost Communication With AIR Pressure Sensor.
• P0F00 - Hybrid/EV Battery Module 1 Performance.
• P0F01 - Hybrid/EV Battery Module 2 Performance.
• P0F02 - Hybrid/EV Battery Module 3 Performance.
• P0F03 - Hybrid/EV Battery Module 4 Performance.
• P0F04 - Hybrid/EV Battery Module 5 Performance.
• P0F05 - Hybrid/EV Battery Module 6 Performance.
• P0F06 - Hybrid/EV Battery Module 7 Performance.
• P0F07 - Hybrid/EV Battery Module 8 Performance.
• P0F08 - Hybrid/EV Battery Module 9 Performance.
• P0F09 - Hybrid/EV Battery Module 10 Performance.
• P0F0A - Hybrid/EV Battery Module 11 Performance.
• P0F0B - Hybrid/EV Battery Module 12 Performance.
• P0F0C - Hybrid/EV Battery Module 13 Performance.
• P0CA6-00 - Hybrid/EV Battery Charging Current High. NOTE: If the following DTCs are present/active in the BPCM, Battery Pack replacement will be required. Guided Diagnostics will prompt you for the repair action if the diagnostic is present on the vehicle.
• P0ADB-00 - Hybrid/EV Battery Positive Contractor A Control Circuit Low.
• P0AE2-00 - Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed.
• P0AA1-00 - Hybrid/EV Battery Positive Contactor "A" Stuck Closed.
• P0FF8-00 - Hybrid/EV Battery Precharge Contactor Circuit "B" Stuck Closed. Customers may also comment on one or more of the following:
• Wrench icon is illuminated on the Instrument Panel Cluster (IPC).
• Vehicle will not enter Drive Ready Mode. This bulletin also includes the following software enhancements:
• Bootloader update to prevent battery disconnect unit damage.
• Improvements in detecting pre-existing battery disconnect unit damage.
• Charging related enhancements that may lead to DTC P0CA6 falsely setting. This bulletin involves reprogramming the IDCM, BPCM, MCP A, MCP B and the EVCU with the latest available software and then, if needed, performing a Wheel End Disconnect Position Learn routine.