Diagnostic Trouble Code (DTC) Information

ECM-33X0 IGNITION COIL CYLINDER X, SIGNAL
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION




Condition
If there is an open-circuit or short-circuit to ground in the ignition coil primary winding circuit and engine speed (RPM) exceeds 1500 rpm, the control module interprets it as a fault and Diagnostic Trouble Code (DTC) ECM-33X0 is stored.

Condition
None

Possible source

Signal too high:
- short-circuit to supply voltage in the signal cable

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

Signal missing:
- open-circuit in signal cable
- contact resistance in terminals

Condition
- engine not firing on all cylinders
- Malfunction Indicator Lamp (MIL) lit