P1233high severityPowertrain
Fuel Pump Speed Primary Circuit Malfunction
on 2002 Volvo S80 2.9L I6 · AWD
What this code means
The ECM detected a malfunction in the fuel pump speed control primary circuit. Volvo uses a variable-speed fuel pump system, and the speed feedback signal is outside expected parameters.
Symptoms
- Check Engine Light
- Loss of power
- Hard starting
- Engine stalling
- Reduced fuel pressure
Common causes
- Faulty fuel pump
- Fuel pump control module failure
- Wiring fault to fuel pump
- Corroded fuel pump connector
- Fuel pump relay failure
Diagnostic steps
- Test fuel pressure at rail
- Check fuel pump speed signal
- Test fuel pump control module
- Inspect wiring and connector at fuel pump
- Test fuel pump relay
Repair notes
Replace the fuel pump or fuel pump control module.
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