OBD Guide

P00C0

Turbocharger/Supercharger Bypass Valve B Control Circuit

P00C0 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Bypass Valve B Control Circuit. Common causes: open or short circuit in control circuit, bypass valve malfunction. Estimated repair cost: $111–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • Reduced engine power
  • Unstable idling
  • Excessive smoke from exhaust pipe
  • Dips during acceleration

Causes

  • Open or short circuit in control circuit
  • Bypass valve malfunction
  • ECU problems
  • Valve dirty or stuck
  • Poor contact in the connector

How to Fix

  1. Check the integrity of the wiring and connectors of the control circuit
  2. Check the operation of the bypass valve (functionality of the solenoid, mechanical mobility)
  3. Check power and ground circuit
  4. Test the ECU for control errors
  5. Replace or repair the bypass valve if necessary
  6. Cleaning the valve from carbon deposits and dirt

Related codes

Error P00C0 by Vehicle Brand

FAQ

What does the P00C0 code mean?

P00C0 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Bypass Valve B Control Circuit

What causes a P00C0 error code?

The most common causes of P00C0 include: Open or short circuit in control circuit; Bypass valve malfunction; ECU problems; Valve dirty or stuck.

How do I fix a P00C0 diagnostic trouble code?

To fix P00C0: Check the integrity of the wiring and connectors of the control circuit. Check the operation of the bypass valve (functionality of the solenoid, mechanical mobility). Check power and ground circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P00C0?

Limited driving only, diagnose soon

How much does it cost to fix P00C0?

The estimated repair cost for P00C0 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat