Advanced Diagnostics

Advanced Diagnostics - DTC P0A7E (72): Battery Module Overheating






General Description
Temperature sensors are built into the battery module to detect a battery module temperature. If the battery module temperature is a specified temperature for a set time, the motor control module (MCM) detects a malfunction in the battery module and stores a DTC.

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 setting the DTC
When a malfunction is detected, the MIL comes on and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the MCM memory.

Conditions for clearing the DTC
The MIL is cleared if the malfunction does not return in three consecutive trips in which the diagnostic runs. The MIL, the Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool Clear command or by disconnecting the battery.