Ignition Control Circuit High Voltage
2002-2002 Cadillac Escalade 6.0L V8
The 2002 Cadillac Escalade is equipped with a 6.0L V8 engine. Below you'll find detailed p1351 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The PCM detected higher than expected voltage on the ignition control output circuit when the circuit should be low.
Symptoms
- Check Engine Light
- Engine misfires
- Rough running
- Possible no-start
Common Causes
- Short to voltage in IC circuit
- Faulty ignition control module
- Damaged coil causing feedback
- Wiring issue
Diagnostic Steps
- Test IC circuit voltage
- Check for shorts to voltage in wiring
- Test ignition module
- Inspect coil primary circuits
Repair Notes
Repair short in wiring or replace ignition module/coil.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1351 on Other Vehicles
Common Questions
What does code P1351 mean on a 2002-2002 Cadillac Escalade?
P1351 stands for "Ignition Control Circuit High Voltage". The PCM detected higher than expected voltage on the ignition control output circuit when the circuit should be low.
What are the symptoms of P1351 on a Cadillac Escalade?
Common symptoms of P1351 include: Check Engine Light, Engine misfires, Rough running, Possible no-start.
What causes P1351 on a 2002-2002 Cadillac Escalade?
Common causes of P1351 include: Short to voltage in IC circuit, Faulty ignition control module, Damaged coil causing feedback, Wiring issue.
Last updated: March 2026