18995/P2563/009571: Difference between revisions

Revision as of 08:50, 2 March 2015

This fault code may be caused when the Actual and Specified Turbocharger requests are considered Implausible by the engine controller.

Wiring and/or connections faulty
ECM faulty
G581 (Vane Position Sensor) Faulty or Binding due to adjustment/Turbocharger issues
Vacuum leak to/from Turbocharger (wastegate) actuator and Solenoid Valve for Boost Pressure Control (N75)

Check fuses
Check wiring and connections
Ohm test G581, see factory repair manual
Check mechanical Turbocharger operation to rule out binging and excessive carbon
Check vacuum supply to/from Solenoid Valve for Boost Pressure Control (N75) and Turbocharger (wastegate) actuator

When this fault is found in the NAR Market 2.0L CR TDI:

Measuring Block Group 034.2 (specified) and 034.3 (actual) G581 Vane Position Sensor values can be logged to see if the fields should mirror each other or deviate to confirm a problem.
NAR market vehicles that had TPI 2025464 | TSB 21-11-01 -or- the latest TPI 2025464/5 | TSB 21-13-01 completed to prevent no-start conditions in cold weather caused by a frozen intercooler may want to see this thread.

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