P1300high severityPowertrain
Ignitor Circuit Malfunction
on 2002 Chevrolet Express 6.0L V8 Vortec · RWD
What this code means
The PCM detected a malfunction in the ignition ignitor circuit. The ignitor is part of the ignition module that controls spark timing and delivery.
Symptoms
- Check Engine Light
- Engine misfires
- Rough running
- No start condition
- Loss of power
Common causes
- Faulty ignition module
- Damaged ignition coil
- Wiring issue to ignition module
- PCM failure
- Poor ground connection
Diagnostic steps
- Test ignition module output
- Inspect ignition coils
- Check wiring to ignition module
- Verify ground connections
- Test PCM ignition output signals
Repair notes
Replace faulty ignition module or coil. Check grounds and wiring first.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1