What does P2263 mean?
Actual boost does not match what the computer commanded.
Codes are a starting point. They tell you which test failed, not which part to replace. Check for other stored codes and fix those in a sensible order.
Symptoms
- Low power
- Check engine light
- Black smoke
- Possible limp mode
Common causes
- Boost leak (CAC hose or clamp, cracked charge air cooler)
- Sticking VGT vanes or failed actuator
- Faulty boost sensor
- Exhaust leak before the turbo
How to diagnose P2263
- Pressure-test the intake and charge air system.
- Compare commanded and actual boost.
- Command the VGT actuator and watch it respond.
How to fix it
- Repair boost leaks
- Clean or repair the VGT
- Replace the boost sensor
Estimated repair cost
Likely repairs for P2263 run from about $100 to $1,800, depending on the cause.
| Repair | Typical range (parts + labor) |
|---|---|
| Diagnostic fee (scan + testing) | $100 - $200 |
| Boost leak repair (CAC hose/clamp) | $100 - $500 |
| Charge air cooler replacement | $600 - $1,800 |
| VGT actuator / vane service | $500 - $1,800 |
| Boost/MAP sensor (diesel) | $100 - $350 |
These are rough US estimates for an independent shop in 2026, based on typical parts prices and standard labor times. Dealers, big trucks, luxury brands and high-cost areas often run higher. They are not quotes. Use the repair cost estimator to adjust for your vehicle.
How serious is P2263?
Moderate severity
Drivable with reduced power.
P2263 FAQ
What does P2263 mean?
P2263 stands for "Turbocharger/Supercharger Boost System Performance". Actual boost does not match what the computer commanded.
Can I drive with a P2263 code?
Drivable with reduced power.
How much does it cost to fix P2263?
It depends on the cause. The likely repairs for P2263 range from about $100 to $1,800 at an independent shop in the US, plus a diagnostic fee of roughly $100-$200. These are rough estimates; dealer prices and some vehicles run higher.
What is the most common cause of P2263?
The most common causes are: boost leak (CAC hose or clamp, cracked charge air cooler); sticking VGT vanes or failed actuator; faulty boost sensor.