P2563 on Audi: How to Diagnose & Fix
Turbocharger Boost Control Position Sensor "A" Circuit Range/Performance
1 Audi model · 1 documented issue · 1 critical · $3,000-$9,000 repair
P2563 on Audi by model: symptoms, diagnosis and fix
The 4.0T's two turbochargers sit in the 'hot-V' between the cylinder banks, where trapped heat coks oil and wears the turbo bearings and wastegate hardware over time. A very common failure is wastegate-linkage wear: the hole in the wastegate arm where the actuator peg sits elongates, so the wastegate no longer seals tightly at rest. This produces a distinct metallic rattle on throttle-off or at idle and can cause boost-control problems and a P0299 underboost code. This is distinct from the NHTSA oil-strainer-blockage stall recall and from coolant-line failures — it is a mechanical wear issue of the turbo/wastegate itself in the heat-soaked hot-V location.
Common Symptoms
- Metallic rattle on throttle lift-off or at idle
- Loss of power / boost lag
- P0299 underboost check engine light
- Whistling or whooshing under load
- Blue/grey smoke if the turbo bearing seals fail
How to Fix
Diagnose the rattle and any boost faults to confirm wastegate-arm play versus a loose heat shield. Minor play can sometimes be mitigated with a clip, but the durable factory fix is turbocharger replacement. When replacing a hot-V turbo, it is mandatory to also replace the oil feed and return lines and to prime the new unit with oil before first start to prevent immediate bearing failure. Regular oil changes and allowing turbo cool-down help reduce coking-related wear.
Sources for this issue (1)
P2563 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P2563 mean on a Audi?
P2563 stands for "Turbocharger Boost Control Position Sensor "A" Circuit Range/Performance." This generic powertrain code sets when the PCM/ECM detects that the signal from the turbocharger boost control position sensor (which reports the position of the variable-vane or wastegate actuator) is out of the expected range or does not respond as commanded. It indicates the module cannot confirm the turbocharger boost control mechanism is moving to the position it requested, often pointing to a vane/actuator position-sensing or boost-control fault. On Audi it is documented across 1 model: S7.
What are the most common causes of P2563?
The most common causes of P2563 are: Faulty turbocharger boost control (vane) position sensor, Sticking or seized variable-vane mechanism or wastegate actuator, Failing turbocharger boost control solenoid/actuator, Wiring or connector faults (open, short, corrosion, chafing) in the sensor circuit, Carbon buildup binding the turbo vanes (common on diesels), Poor PCM/ECM ground or, rarely, a failed control module. The specific cause varies by vehicle.
How much does it cost to fix P2563 on a Audi?
Published repair estimates on Audi range from $3,000 to $9,000 depending on the model and root cause. If an issue mentions a recall or campaign, check your VIN with the manufacturer or NHTSA and confirm eligibility and coverage with a dealer.
Looking for P2563 on a different make?
View P2563 across all makes →Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.