Technical Service Bulletin 08-079-24 REV. A — 2022 JEEP WRANGLER 4XE

"Flash: Battery Pack Control Module (BPCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● **P0DAB - Hybrid/EV Cell Balancing Performance.** ● P0AA1 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery ""A"" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0BBE-00 - Hybrid/EV Battery pack Voltage Variation. ● P0607-00 - ECU Internal Performance. ● P0C78 - Hybrid/EV Battery System Precharge Time Too Long This bulletin involves updating the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update: ● Powertrain Control Module (PCM). ● Integrated Dual Charging Module (IDCM). ● Transmission Control Module (TCM). ● Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM)"