OBD Guide

P2261

Turbocharger/Supercharger Bypass Valve A - Mechanical

P2261 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Bypass Valve A - Mechanical. Common causes: bypass valve stuck, valve diaphragm rupture. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Reduced engine power
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Unusual noises from the turbocharger

Causes

  • Bypass valve stuck
  • Valve diaphragm rupture
  • Open or short circuit in control circuit
  • Mechanical wear of valve components
  • Valve contamination by deposits

How to Fix

  1. Check the mechanical condition of the bypass valve
  2. Clean the valve from deposits
  3. Check the integrity of the diaphragm
  4. Replace faulty bypass valve
  5. Check the operation of the turbocharger after repair

Related codes

Error P2261 by Vehicle Brand

FAQ

What does the P2261 code mean?

P2261 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Bypass Valve A - Mechanical

What causes a P2261 error code?

The most common causes of P2261 include: Bypass valve stuck; Valve diaphragm rupture; Open or short circuit in control circuit; Mechanical wear of valve components.

How do I fix a P2261 diagnostic trouble code?

To fix P2261: Check the mechanical condition of the bypass valve. Clean the valve from deposits. Check the integrity of the diaphragm. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2261?

Limited driving only, diagnose soon

How much does it cost to fix P2261?

The estimated repair cost for P2261 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat