OBD Guide

P1287

Turbocharger Bypass Valve Open

P1287 is an OBD-II diagnostic trouble code meaning: Turbocharger Bypass Valve Open. Common causes: turbine bypass valve malfunction, open or short circuit in valve control circuit. Estimated repair cost: $28–133.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–133 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Slow acceleration
  • Noisy turbine operation
  • Check Engine Light Is On

Causes

  • Turbine bypass valve malfunction
  • Open or short circuit in valve control circuit
  • Vacuum valve actuator problems
  • Valve mechanism is dirty or jammed
  • Boost pressure sensor malfunction

How to Fix

  1. Check the condition of the bypass valve and its mechanism
  2. Check the integrity of the valve control electrical circuit
  3. Check vacuum system operation (if applicable)
  4. Clean or replace a stuck valve
  5. Check the operation of the boost pressure sensor

Related codes

Error P1287 by Vehicle Brand

FAQ

What does the P1287 code mean?

P1287 is an OBD-II diagnostic trouble code that indicates: Turbocharger Bypass Valve Open

What causes a P1287 error code?

The most common causes of P1287 include: Turbine bypass valve malfunction; Open or short circuit in valve control circuit; Vacuum valve actuator problems; Valve mechanism is dirty or jammed.

How do I fix a P1287 diagnostic trouble code?

To fix P1287: Check the condition of the bypass valve and its mechanism. Check the integrity of the valve control electrical circuit. Check vacuum system operation (if applicable). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1287?

Limited driving only, diagnose soon

How much does it cost to fix P1287?

The estimated repair cost for P1287 is $28–133. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat