Home08-079-24 REV. A · JEEP
JEEP

08-079-24 REV. A

Manufacturer communications

Publication date
2024-12-14
Received by NHTSA
2024-12-18
NHTSA record numbers
11011924

Manufacturer summary

Original wording in English

"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)"

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

JeepP0AA4
Hybrid Battery Negative Contactor Circuit Stuck Closed

NHTSA 11011924

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
JeepWRANGLER 4XE2022

Data coverage →