Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-2250

Condition




Engine control module (ECM) monitors rear heated oxygen sensor by, among others, checking it electrically.
This diagnostic trouble code is a collective code for diagnoses regarding electrical malfunctions on the heated oxygen sensor and its heating.

Note! This diagnostic trouble code is stored as a result of any other diagnostic trouble code for rear heated oxygen sensor being stored in the control module. Therefore, perform troubleshooting based on the second diagnostic trouble code.

Substitute value
- None.

Possible source
- Search for failure cause with another stored diagnostic trouble code in the control module.

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