Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
Powertrain DTC Charts and Descriptions 4-25
Diagnostic Trouble Code (DTC) Charts and Descriptions
P0119 - Engine Coolant Temperature (ECT) Sensor 1 Circuit Intermittent/Erratic (Continued)
Explorer 2.3L, F-150 2.7L, Fiesta, Focus, Fusion 1.5L, Fusion 2.0L, KA, MKC, MKT 2.0L, MKX 2.0L, MKX 2.7L, MKZ 2.0L, Mustang 2.3L, Taurus 2.0L, Transit Connect 1.6L
All others GO to Pinpoint Test DL.
P011E - Engine Coolant Temperature 1/Ambient Air Temperature Correlation
Description: This DTC sets when the engine coolant temperature (ECT) and ambient air temperature (AAT) sensor readings
differ by greater than a calibrated value.
Possible Causes: • Biased ECT or AAT sensor
• Damaged ECT or AAT sensor
• Damaged intake air temperature (IAT) sensor
Diagnostic Aids: Make sure the ECT, AAT and 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 sunlight.
Application Key On Engine Off Key On Engine Running Continuous Memory
All GO to Pinpoint Test DX.
P0122 - Throttle/Pedal Position Sensor A Circuit Low
Description: This DTC sets when the electronic throttle control (ETC) throttle position 1 (TP1) signal is too low.
Possible Causes: • TP1 circuit open
• TP1 circuit short to ground
• Damaged TP1 sensor
Diagnostic Aids: This concern exhibits a symptom of limited power. A TP1 PID reading less than 0.25 volt in ignition ON, engine
OFF or ignition ON, engine running indicates a concern is present.
Application Key On Engine Off Key On Engine Running Continuous Memory
All GO to Pinpoint Test DV.
P0123 - Throttle/Pedal Position Sensor A Circuit High
Description: This DTC sets when the electronic throttle control (ETC) throttle position 1 (TP1) signal is too high.
Possible Causes: • TP1 circuit short to voltage
• TP1 circuit short to VREF
• ETCRTN circuit open
• Damaged TP1 sensor
Diagnostic Aids: This concern exhibits a symptom of limited power. A TP1 PID reading greater than 4.75 volts in ignition ON,
engine OFF or ignition ON, engine running indicates a concern is present.
Application Key On Engine Off Key On Engine Running Continuous Memory
All GO to Pinpoint Test DV.
P0125 - Insufficient Coolant Temperature For Closed Loop Fuel Control
Description: This DTC sets when the engine coolant temperature (ECT) or the cylinder head temperature (CHT) sensor has
not achieved the required temperature level to enter closed loop operating conditions within a specified amount of time after starting the engine.
2016 Powertrain Control/Emissions Diagnosis, Gasoline Engines, 3/2015
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.