P1400low severityPowertrain
EGRC Solenoid Valve
on 2018 Infiniti Q70L 5.6L V8 · RWD
What this code means
Fault in the EGR control solenoid valve circuit. Resistance should be ~30 ohms.
Symptoms
- CEL
- Often no drivability symptoms
- Stalling if EGR stuck open
- Failed emissions
Common causes
- Faulty EGRC solenoid
- Open/short in harness
- Poor connection
- Carbon buildup
Diagnostic steps
- Test solenoid resistance
- Inspect wiring
- Check EGR operation
- Clean EGR passages
Repair notes
Replace EGRC solenoid.
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