Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-2200

Condition




The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that the resistance of the rear heated oxygen sensor (HO2S) in the pre-heating circuit is too high for a certain amount of time.

Substitute value
None.

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

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