P1350high severityPowertrain
Ignition Control System
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
The PCM detected a general malfunction in the ignition control system. This code indicates the PCM is not receiving the expected feedback from the ignition module.
Symptoms
- Check Engine Light
- Engine misfires on multiple cylinders
- Rough running
- No start
- Loss of power
Common causes
- Faulty ignition control module
- Damaged ignition coil pack
- Wiring issue between PCM and IC module
- PCM failure
- Poor ground connection
Diagnostic steps
- Test ignition module output with scope
- Inspect ignition coils
- Check wiring between PCM and IC module
- Verify power and ground to IC module
- Test each coil primary circuit
Repair notes
Replace ignition control module or coil assembly. Check power, grounds, and wiring.
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