Diagnostic Aids

WARNING: This page is about a different variant/trim than selected.

Battery temperatures can be affected by vehicle load, outside temperature and customer driving conditions. Test drive the vehicle, and attempt to simulate the Freeze Frame/Failure Record conditions this DTC set under.
Inspect for the following:
- Air inlet and outlet for blockage.
- Loose or poor connections at the drive motor generator battery control module temperature sensor module X3 harness connector.
- Damage to the drive motor generator battery control module temperature sensor module wiring harness.
- Damage to the fan or blades.
- Damage to the internal drive motor generator battery cooling air outlet duct seals.
Test the resistance across each temperature sensor 5 V reference and low reference circuits. Refer to Temperature Versus Resistance .
If the hybrid batteries are at or above the temperature values for setting these DTCs, allow the hybrid batteries to cool down by letting the vehicle stand at room temperature, this could take 4 to 8 hours.
Use the scan tool output control to test the drive motor generator battery vent fan operation.
Inspect the ground circuit for the drive motor generator battery vent fan relay.
Inspect the drive motor generator battery vent fan relay connections.
Refer to Generator Battery Temperature Sensor Location for the proper locations of the four temperature sensors.