Code result
P2261
Turbo/Super Charger Bypass Valve Mechanical
High severity
What it means
The ECU detects a mechanical fault in the turbocharger or supercharger bypass valve. The valve does not open or close as commanded, causing boost-pressure errors and reduced engine response.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Stuck bypass valve
highOne of the most commonly reported causes for this code — check this first.
Leak in vacuum/pressure actuator
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P2261 freeNo credit card required