OBD Guide

P005F

Turbocharger/Supercharger Boost Control B Supply Voltage Circuit High

P005F is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Boost Control B Supply Voltage Circuit High. Common causes: boost pressure sensor malfunction, problems with wiring or wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Boost pressure sensor malfunction
  • Problems with wiring or wiring harness
  • Turbo control solenoid malfunction
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check voltage at turbocharger control circuit
  2. Inspect the wiring harness for damage
  3. Check the operation of the turbocharger control solenoid
  4. Check boost pressure sensor
  5. If necessary, replace faulty components

Related codes

Error P005F by Vehicle Brand

FAQ

What does the P005F code mean?

P005F is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Boost Control B Supply Voltage Circuit High

What causes a P005F error code?

The most common causes of P005F include: Boost pressure sensor malfunction; Problems with wiring or wiring harness; Turbo control solenoid malfunction; Problems with the engine control unit (ECU).

How do I fix a P005F diagnostic trouble code?

To fix P005F: Check voltage at turbocharger control circuit. Inspect the wiring harness for damage. Check the operation of the turbocharger control solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P005F?

Limited driving only, diagnose soon

How much does it cost to fix P005F?

The estimated repair cost for P005F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat