Diagnostic Trouble Code (DTC) Information
ECM-P007300 Ambient Air Temperature Sensor Circuit High Input Signal
Condition
The engine control module (ECM) checks the signal from the outside temperature sensor.
The diagnostic trouble code (DTC) is stored if the Engine Control Module (ECM) detects that the signal from the outside temperature sensor is too high.
The diagnostic trouble code can be diagnosed when the ignition is on.
Substitute Value
- The value is set to the constant 20 degree C.
Possible Source
- Short-circuit to supply voltage in the signal cable.
- Open circuit on signal cable.
- Damaged outside temperature sensor.
Fault Symptom[s]
- Malfunction indicator lamp (MIL) lit.