Powertrain
generic / SAE
P2566
Turbocharger Boost Control Position Sensor Range/Performance
The turbocharger actuator position sensor reports a value, but it does not track commanded vane or wastegate position within tolerance. Often a sticky VTG mechanism due to soot.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 66
Possible causes
- VTG vanes coked, sticky high
- Actuator linkage worn medium
- Sensor element aged beyond calibration window low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–2500 €
- Estimated time: 1–6 h
- Component: turbocharger actuator
- Component: turbocharger vanes
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012