Cooldown Test Too Cold to Start
Tests 1 - 2:
Tests 3 - 6:
Test 7:
SYMPTOM
COOLDOWN TEST TOO COLD TO START - MANUAL A/C
WHEN MONITORED
When executing the Cooldown Test.
SET CONDITION
This message will be displayed if the A/C - Heater Control Module sees evaporator temperature below 12.7 °C (55 °F) when executing the Cooldown Test.
POSSIBLE CAUSES
- Evaporator temperature too low
- Check code(s) present
- Check the PCM for any DTCS
- Evaporator temperature sensor
- Sensor ground circuit high resistance
- Evaporator temperature sensor signal circuit high resistance
- A/C - heater control module