P2563

Turbocharger Boost Control Position Sensor A Circuit Range/Performance

Turbocharger boost control Generic OBD-II Medium

What it means

P2563 means the turbocharger boost-control actuator position sensor ("A") is reading outside its expected range or not tracking the commanded position. That sensor tells the ECM where the wastegate or variable-geometry vanes actually are, so when it can't be trusted the ECM usually limits boost — the car still drives, but with reduced power until it's repaired.

Medium

Can I keep driving? Yes, but with reduced power — the ECM often limits boost (limp mode) when it can't trust the actuator position, so expect sluggish acceleration until it's fixed.

Real-world scan data

Seen in

1,365

scans in the past year

Found in

0.2%

of scans

0.4%

of scans that found faults

Appears alongside · share of P2563 scans

P2598in 20.9% of scans

P00AFin 11.1% of scans

P261Ain 11.0% of scans

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Check-engine light on
Reduced power or limp mode
Sluggish acceleration
Possible over- or under-boost

Common causes

Most likely first

Faulty turbo boost-control (VGT or wastegate) actuator position sensorLikely
Sticking or carbon-bound actuator or vanesCommon
Damaged wiring or connector at the position sensorCommon
Poor or corroded electrical connectionLess often
Boost or vacuum leak throwing off the position correlationLess often

How to diagnose & fix

Work through it in order

Read freeze-frame data and watch the actuator-position value on a scan tool.
Inspect the position-sensor connector and wiring for damage or corrosion.
Confirm the actuator moves freely and isn't bound by carbon/soot.
Check for boost and vacuum leaks around the turbo plumbing.
Replace the actuator or position sensor if it's out of range, then clear and re-test.

FAQ

Quick answers

Is it safe to drive with P2563?+

You can drive, but the ECM usually limits boost, so power will be down. Fix it before towing or hard driving, as over-boost can also occur.

Can I just clear P2563?+

It returns once the ECM re-checks the actuator position unless the sensor, actuator, wiring, or a boost leak is addressed.

Read & clear P2563 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX