DOBD DashX Browse all codes Blog
P2262

Turbocharger/Supercharger Boost Pressure A Not Detected - Mechanical

Turbocharger / boost control Generic OBD-II Medium

What it means

P2262 means the engine isn't producing the boost pressure it should, and the ECM has traced it to a mechanical problem rather than a sensor or wiring fault. Common causes are a stuck wastegate, a boost leak, or a worn or sticking turbocharger. The car usually still runs, but power is reduced and it may drop into limp mode.

Medium

Can I keep driving? Usually drivable but down on power, often in a reduced-power limp mode — fix it before towing or hard driving to avoid further turbo damage.

Real-world scan data

Seen in
62
scans in the past year
Found in
<0.1%
of scans
<0.1%
of scans that found faults

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

Common causes

Most likely first

  1. Stuck or seized wastegate / boost control valve
  2. Boost leak — split hose, loose clamp, or cracked intercooler pipe
  3. Binding or carboned-up variable-vane (VNT) turbo mechanism
  4. Worn turbocharger (bearings, shaft, or vanes)
  5. Restricted or damaged charge-air ducting

How to diagnose & fix

Work through it in order

  1. Read freeze-frame data, then inspect all boost hoses, clamps, and the intercooler for leaks or splits.
  2. Check the wastegate/boost-control actuator for free movement and correct vacuum/electrical operation.
  3. On variable-vane turbos, check the VNT mechanism for sticking from carbon or soot.
  4. Compare actual vs commanded boost with a scan tool to confirm the shortfall.
  5. If the turbo itself is worn (play in the shaft, oil in the ducting), plan to rebuild or replace it. Clear and re-test.

FAQ

Quick answers

Is it safe to drive with P2262?+
Short trips are usually fine, but the engine will be down on power and may be in limp mode. Avoid hard driving or towing until it is repaired.
Can I just clear P2262?+
You can clear it, but if the wastegate, turbo, or a boost leak is at fault it will return as soon as the engine is put under load.

Related codes

Read & clear P2262 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