Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-2810

Condition




The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that one of the following faults has occurred in the front heated oxygen sensor (HO2S).
- The resistance in the pre-heating circuit is too high or too low
- The probe has not reached normal operating temperature
- The control for the heater element has not worked for a certain period of time.

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.