VOLVO
ECM-1822 - Fuel pressure control valve. Signal too low
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 ECM drives the fuel pressure control valve with pulse width. If the control signal is too low, for example through a break or a short to ground, fault code ECM-1822 is set.
Possible causes
- Control signal wire shorted to ground
- Open circuit in the control signal wire
- Supply wire shorted to ground
What you can do
- 1Switch off the ignition and check the connector to the fuel pressure control valve for play, contact resistance and oxidation
- 2With a multimeter, check that the control and supply wires to the valve are not broken and not shorted to ground
- 3If you have a diagnostic tool: activate the fuel pressure control valve and check that it responds
- 4If the fault remains, have a workshop check the valve and its wiring
Symptoms you may notice2
- The engine does not start
- The engine stalls
General guidance for car owners. Diagnosis on the car can point to a different cause.