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Symptom List: COOLDOWN TEST FAILED - ATC Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be COOLDOWN TEST FAILED - When Monitored and Set Condition: COOLDOWN TEST FAILED - ATC When Monitored: When executing the Cooldown Test. Set Condition: This message will display if the A/C system is unable to bring the evaporator temperature down either 6.7°C (20°F) within two minutes at ambient temper- COOLDOWN TIME EXCESSIVE FAULT - ATC When Monitored: When executing the Cooldown Test. Set Condition: This message will display if the A/C system is unable to bring the evaporator temperature down either 6.7°C (20°F) within two minutes at ambient temper- POSSIBLE CAUSES OTHER COOLDOWN TEST FAULT MESSAGES PRESENT AUTOMATIC TEMPERATURE CONTROL (ATC) DTC(S) PRESENT POWERTRAIN CONTROL MODULE (PCM) DTC(S) PRESENT ADDITIONAL A/C SYSTEM TESTING REQUIRED TEST ACTION APPLICABILITY 1 CAUTION: The work area ambient temperature must be above 15.6°C (60°F) All Yes → Return to the Heating & A/C symptom list and choose the symptom(s). No → Go To 2 565 HEATING & A/C |