What does fault code ECM-P229000 mean?

Diagnostic fault code details for ECM-P229000 (Volvo S60 (2011–), Volvo S80 (2007–), Volvo V40 (2013–)). Repair service at OBD Tuning.

VOLVO

ECM-P229000 - Injector Control Pessure Too Low. General Failure Information. No sub type information

System

Engine Control Module (ECM)

Volvo models this fault code applies to

Applies to the following models:

8 models

S60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V70 (2008–), XC60 (2009–), XC70 (2008–)

Show models by year and engine (8)

What does this fault code mean?

The module checks fuel pressure on the high-pressure side against the lowest allowed level. The pressure depends on engine load and speed, and the check is only made with the engine running. The code is set when fuel pressure is below the lowest permitted level.

Possible causes

Waxing of diesel at low fuel temperatures
The fuel pump control module (PEM) has no power supply
Fault in the fuel pump control module (PEM)
The fuel flow control valve has an electrical fault
Blocked fuel filter or leakage on the low-pressure side
Fault in the tank fuel pump, which gives too low pressure, or in the low-pressure fuel pressure sensor

What you can do

1Check the connector to the fuel pressure control valve for contact resistance, oxidation and breaks
2Use a multimeter to check that the wires to the fuel pressure control valve have no break or short
3Check that the fuel filter is not blocked and that there is no leakage on the low-pressure side
4If the fault remains, have a workshop with diagnostic equipment check the fuel pump control module, the tank fuel pump and the pressure sensor

Symptoms you may notice5

The engine does not start, or it cranks without starting
The engine is hard to start and cranks slowly
Uneven idle
The engine stalls at idle or while driving, sometimes or all the time
Poor performance and lack of power

General guidance for car owners. Diagnosis on the car can point to a different cause.