P011E – Engine Coolant Temperature 1/Ambient Air Temperature Correlation

P011E – Engine Coolant Temperature 1/Ambient Air Temperature Correlation
Description:                 The DTC indicates that the engine coolant temperature (ECT) and ambient air temperature (AAT) sensor readings differ by more than a calibrated value.
Possible Causes:       
 
Biased ECT or AAT sensor
 
Damaged ECT or AAT sensor
 
Damaged IAT sensor
Diagnostic Aids:          Make sure the ECT, AAT and intake air temperature (IAT) sensor readings are within 18
°C (32.4°F) of each other after 6 to 8 hours at a stabilized ambient temperature and the vehicle has not been in direct sun light.
Related Topics  P0125 - Insufficient Coolant Temperature For Closed Loop Fuel Control

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