Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) ECM-23X0 is stored if the signal from the injector is too high, too low or missing.
Substitute value
None
Possible source
Signal too high:
- short-circuit to supply voltage in the signal cable
- defective injector
Signal too low:
- short-circuit to ground in the signal cable
Signal missing:
- open-circuit in the signal cable
- open-circuit in power supply to injector
- defective injector
- contact resistance in terminals
Fault symptom[s]
- engine not firing on all cylinders
- malfunction indicator lamp (MIL) lit