P2263

Turbocharger/Supercharger A Boost System Performance

Turbo / boost control Generic OBD-II Medium

What it means

P2263 means the engine computer sees the boost pressure from the turbo or supercharger falling outside the expected range — either too high or too low for the demand. The usual result is reduced power or a limp-mode derate. Common causes are a stuck wastegate, a boost leak, or a faulty boost-control solenoid or sensor.

Medium

Can I keep driving? Usually drivable, but expect reduced power or limp mode — over- or under-boost can stress the engine, so fix it before hard driving.

Real-world scan data

Seen in

2,821

scans in the past year

Found in

0.4%

of scans

0.8%

of scans that found faults

Appears alongside · share of P2263 scans

P0201in 55.0% of scans

P0204in 54.5% of scans

P0202in 54.5% 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
Noticeable loss of power or reduced acceleration
Engine may drop into limp/reduced-power mode
Boost surging, hissing, or a whistle from a leak

Common causes

Most likely first

Stuck or leaking wastegate / boost-control valveLikely
Faulty boost-control (turbo) solenoid or its vacuum linesCommon
Boost leak — split hose, loose clamp, or intercooler leakCommon
Faulty boost/MAP pressure sensor giving a wrong readingLess often
Wiring or connector fault at the boost-control actuatorLess often
Worn turbocharger or sticking variable-vane mechanismLess often

How to diagnose & fix

Work through it in order

Read freeze-frame data and note whether boost is too high or too low.
Inspect all charge-air hoses, clamps, and the intercooler for leaks.
Check the wastegate/boost-control actuator and its vacuum lines for sticking.
Test the boost-control solenoid and its wiring/connector.
Verify the MAP/boost sensor reading against actual pressure, then clear and re-test.

FAQ

Quick answers

Is it safe to drive with P2263?+

Short trips are usually fine, but power will be down and the engine may be in limp mode. Persistent over-boost can damage the turbo or engine, so don't drive hard until it's fixed.

Can I just clear P2263?+

It clears, but returns once the ECM sees boost out of range again. Find the leak, sticking wastegate, or sensor fault first.

Read & clear P2263 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