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Fault code

P2599 fault code.

This code comes up with one known fault.

Generic code

Code type

Engine and drivetrain

System

Turbo actuator position signal is high

An actuator moves the vanes of a variable geometry turbo. The engine control unit measured its position signal above the expected range. The typical cause is a seized linkage.

The code tells you what the control unit measured, not which part has failed. The same code has several possible causes.

Which known faults it comes up with

The turbocharger actuator fails and the engine loses power: it accelerates slowly and runs out of pull on a climb. The fault code is P2599.

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The actuator controls the vane position in the turbocharger, and if it does not reach the commanded position the boost either fails to build or overshoots, and the engine management cuts power in response.

What to check

  • Accelerate hard uphill at full throttle: the engine must not run out of pull or drop into limp mode
  • Have the fault codes read and look for P2599 among them
  • Watch the exhaust on start-up: thick blue or black smoke points at a boost fault
1 more steps in the write-up

Information, not an expert opinion

We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.

  • A fault on the list does not mean the car you are looking at has it.
  • A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
  • You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.
Details in the terms