P0262moderate severityPowertrain
Cylinder 1 Injector Circuit High
on 2016 GMC Sierra 1500 5.3L V8 · 4WD
What this code means
High voltage in the cylinder 1 injector driver circuit.
Symptoms
- Check Engine Light
- Misfire cylinder 1
Common causes
- Open injector ground
- Short to power
- Faulty PCM driver
Diagnostic steps
- Test circuit voltage
- Check for opens
- Test injector
Repair notes
Repair wiring or replace injector.
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