Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) ECM-2A2A (bank 1) or ECM-2B2A (bank 2) is stored if the control module 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

Faulty signal:
- Contact resistance and oxidation
- Defective rear heated oxygen sensor (HO2S).

Fault symptom[s]
- The malfunction indicator lamp (MIL) lights.