Cooldown Time Excessive Fault
Test 1:
Test 2:
SYMPTOM
COOLDOWN TIME EXCESSIVE FAULT - MTC
TEST NOTE
This symptom is diagnosed using the test COOLDOWN TEST SENSOR FAILURE - MTC.
WHEN MONITORED
When executing the Cooldown Test.
SET CONDITION
This message will be displayed if the A/C system is unable to bring the evaporator temperature down 6.7° C (20° F) within two minutes.
POSSIBLE CAUSES
- HVAC DTC(s) present
- Check the PCM/ECM for DTCs
- A/C system testing