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DAF fault code P2150: likely components, OEM numbers and symptoms.

Injector/pump-unit group supply low or short report. This page groups every component report connected with P2150, so a mechanic can move from the error code to the relevant OEM numbers, defect symptoms and fitment checks.

A fault code alone is not a parts order. Confirm with live data, VIN, installed OEM number, connector and part photos before quoting or fitting.

Component families linked with P2150.

The same code can appear with different root causes. Use the OEM number and symptom pattern to choose the right branch.

Symptoms reported with P2150

Cylinder 4 diesel knock under acceleration
Jerky pull from 900 to 1200 rpm
Cylinder 4 contribution too low
Engine derate or power reduction
Hard starting after heat soak

OEM references to check

Use these links when the workshop note only contains an OE number instead of the exact part family.

Likely root causes behind P2150

  • Open or short circuit on cylinder 4 ECU/pump wiring.
  • Coil winding insulation breakdown.
  • Pump unit cylinder 4 internal seizure or sticking control valve.
  • Metal debris from lift-pump wear damaging unit pump elements.

Trucks and engines that report P2150

Model Engine Years
XF 95 PACCAR XE/MX Euro 3 2001-2006
XF 105 PACCAR MX Euro 3/4/5 2005-2013
CF 75 PACCAR PR Euro 3/4/5 2001-2013
CF 85 PACCAR MX Euro 3/4/5 2001-2013

Need help identifying this component?

Send the OE label, VIN, fault code and photos. We will help identify the part and confirm the appropriate repair route.

Diagnostic index entries are not a promise that TruckValves services every listed component.