DTC ECM-210F

Condition







Diagnostic trouble code (DTC) ECM-210F is stored if the engine control module (ECM) registers that the HO2S value deviates too much from the target value.
- the engine coolant temperature (ECT) is above 70 degrees C (engine at operating temperature)
- fuel trim active
- speed between 70-100 km/h
- engine speed between 1,700-2,500 rpm.

Substitute value
The fuel trim is shut off.

Possible source
Defective front heated oxygen sensor (HO2S).

Fault symptom[s]
None.