OBD Guide

P005F

Turbocharger/Supercharger Boost Control B Supply Voltage Circuit High

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