P0629moderate severityPowertrain
Fuel Pump A Control Circuit High
on 2018 Lincoln MKX 3.7L V6 · AWD
What this code means
High voltage in fuel pump control circuit.
Symptoms
- Fuel pump always running
Common causes
- Short to power
- Relay stuck closed
Diagnostic steps
- Test voltage
- Check relay
- Look for shorts to power
Repair notes
Replace relay. Repair wiring.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1