VOLVO
ECM-1881 - Fuel pressure control valve. Faulty signal
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS40 (1996–2004), V40 (1996–2004)
Show models by year and engine (2)
What does this fault code mean?
The engine control module (ECM) controls the fuel pressure control valve, which keeps the correct pressure in the fuel system. The code is set when the control wire to the valve is faulty. The fault can stop the engine from starting or make it feel sluggish.
Possible causes
- Control signal wire short-circuited to supply voltage
- Defective fuel pressure control valve
What you can do
- 1Read and clear the fault code and check whether it returns
- 2Check that the connector at the fuel pressure control valve is secure and clean
- 3Use a multimeter to check that the control signal wire is not short-circuited to battery voltage
- 4If you have a diagnostic tool, activate the fuel pressure control valve and listen for it working
- 5If the fault remains after these checks, have a workshop replace the fuel pressure control valve
Symptoms you may notice2
- The engine does not start
- The engine feels sluggish
General guidance for car owners. Diagnosis on the car can point to a different cause.