DTC ECM-150A

Condition







- driving with engine coolant temperature (ECT) over 80 degrees C (176 degrees F) (warm engine)
- Lambda active control.

The control module compares values between intake manifold pressure(MAP) sensor and mass air flow (MAF) pressure sensors in (g/rpm). Diagnostic trouble code (DTC) ECM-150A is stored if the control module registers that the deviation is too great.

Substitute value
None.

Possible source

Upper limit
- the intake manifold (MAP) pressure sensor displays more than the mass air flow (MAF) sensor.

Lower limit
- The mass air flow (MAF) sensor displays more than intake manifold (MAP) pressure.

Fault symptom[s]
None.