Diagnostic Aids

If warning light is flashing, refer to DTC P1620  for diagnosis. Engine coolant and/or transaxle temperature that is too high can be caused by trailer towing, restricted transaxle oil cooler or lines, restricted radiator or condenser air flow, missing or damaged front air dam, low transaxle fluid level, inoperative cooling fan, corrosion at ECT sensor connectors, faulty water pump or thermostat, or faulty ECT sensor. A/C will not operate when coolant temperature reaches 244°F (118°C) to prevent engine damage.