Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
Diagnostic trouble code (DTC) ECM-38 or ECM-3A is stored if the ignition coil circuit short-circuited to ground / voltage or if there is open-circuit in the circuit that the control module has interpreted as a fault.

Substitute value
Injectors 1 and 4 are disabled.
Injectors 2 and 3 are disabled.

Possible source

Signal too high:
- Short-circuit to supply voltage in the signal cable.
- Faulty ignition coil.

Signal too low:
- Short-circuit to ground in the signal cable.

Signal missing:
- Open-circuit in the signal cable.
- Faulty ignition coil.

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
- Engine not firing on all cylinders.
- The engine misfires.