Advanced Diagnostics

DTC P0A7E (72): Battery Module Overheating




General Description
The battery module temperature increases if the battery is overcharged, excessively drained, or short-circuited. If the battery module temperature increases beyond a specified value, battery life can be adversely affected. If the battery module temperature is a specified value or more for a set time or more, the motor control module (MCM) detects a malfunction in the battery module and a DTC is stored.




Monitor Execution, Sequence, Duration, DTC Type, OBD Status




Enable Conditions

Malfunction Threshold
The battery module temperature is 167 °F (75 °C) or more for at least 2 seconds.

Diagnosis Details

Conditions for illuminating the MIL
When a malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the PCM and BCM memory.

Conditions for clearing the MIL
The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the diagnostic runs.

The MIL, the DTC, and the freeze frame data can be cleared by using the scan tool Clear command or by disconnecting the battery.