P1351high severityPowertrain
Ignition Control Circuit High Voltage
on 2021 GMC Acadia 2.5L I4 · AWD
What this code means
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.
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