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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