P2563
Turbocharger Boost Control Position Sensor Circuit
The position feedback sensor on the variable-geometry or wastegate turbocharger actuator is not communicating or is implausible. Without position feedback, boost control runs in default mode and power is reduced.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Common causes
Ordered by how often each turns out to be the cause.
- Position sensor failedCommon
- Wiring open or chafed near turboPossible
Parts involved
- Turbocharger Actuator
- Turbocharger Position Sensor
P2563 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.