OBD Guide

P2C9C

Cold Start Turbocharger/Supercharger Wastegate Actuator B Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation during cold start
  • Check Engine light comes on
  • Noises from the turbocharger

Causes

  • Wastegate actuator malfunction
  • Problems with the actuator electrical circuit
  • Mechanical damage to the wastegate
  • The actuator is dirty or jammed
  • Problems with the control signal from the ECU

How to Fix

  1. Check the actuator electrical circuit
  2. Inspect the mechanical condition of the actuator and wastegate
  3. Check the control signal from the computer
  4. Replace faulty wastegate actuator
  5. Clean or repair a stuck actuator

Related codes

Error P2C9C by Vehicle Brand