P2262: Turbocharger Boost Pressure Not Detected (Mechanical)
The engine computer commanded boost but saw almost none. Usually a big leak or turbo failure.
Green, yellow, red: three ways P2262 can look
The same code can be a quick fix or a reason to pull over. Match your situation to the closest example.
Keep an eye on it
Set once, power is normal.
Schedule a repair
Noticeably down on power. Repair soon.
Stop and get help
Turbo noise, oil in the intake or smoke. Shut it down.
Symptoms you might notice
- Big power loss
- Black smoke
- Whistle or hiss
Common causes, cheapest first
- Disconnected or blown charge air hose
- Failed turbo
- Boost sensor or its hose disconnected
What you can check before calling
- Check for a blown-off hose
A code points to a system, not a part. Replacing parts based on the code alone is how people spend money without fixing the problem. Testing confirms the cause first.
Generic codes (second character 0) mean the same thing on every vehicle. Some manufacturers add their own details, so check service information for your exact vehicle.
Related codes
More turbo & boost codes
Look up another code
Cummins fault code (like 1922), J1939 SPN and FMI (like SPN 3251 FMI 0), or an OBD-II code (like P0420).
Questions
What does P2262 mean?
P2262 means "Turbocharger Boost Pressure Not Detected (Mechanical)". The engine computer commanded boost but saw almost none. Usually a big leak or turbo failure.
Can I drive with code P2262?
It depends on what the vehicle is doing. Green: Set once, power is normal. Yellow: Noticeably down on power. Repair soon. Red: Turbo noise, oil in the intake or smoke. Shut it down.
What causes P2262?
The most common causes are: disconnected or blown charge air hose; failed turbo; boost sensor or its hose disconnected.
Is P2262 a serious code?
It can be. Turbo noise, oil in the intake or smoke. Shut it down.
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