Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-2400

Condition




The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that the front heated oxygen sensor (HO2S) has not reached normal operating temperature.

Substitute value
None.

Possible source
- Contact resistance and oxidation in the terminals
- Damaged front heated oxygen sensor (HO2S).

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.