Cooldown Test Too Cold to Start

Test 1 - 2:

Test 3 - 6:

Test 7:

SYMPTOM
COOLDOWN TEST TOO COLD TO START - MTC

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
- HVAC DTC(s) present
- Check the PCM/ECM for DTCs
- Evaporator temperature sensor
- Sensor ground circuit high resistance
- Evaporator temperature sensor signal circuit high resistance
- A/C - Heater control module