DTC 15

DTC 15: A Short in the Evaporator Temperature Sensor Circuit

1. Remove the evaporator temperature sensor.
2. Test the evaporator temperature sensor.

Does the evaporator temperature sensor test OK?

YES - Go to step 5.

NO - Replace the evaporator temperature sensor.

3. Disconnect the climate control unit 30P connector.




4. Check for continuity between the No. 5 terminal of the climate control unit 30P connector and body ground.

Is there continuity?

YES - Repair short to body ground in the wire between the climate control unit and the evaporator temperature sensor.

NO - Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.