OBD Guide

P2C2E

Turbocharger/Supercharger Bypass Valve B Supply Voltage Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Reduced engine power
  • Unstable engine operation
  • Check Engine light comes on
  • Acceleration problems
  • Unusual noises from the turbocharger

Causes

  • Open or short circuit in valve circuit
  • Bypass valve malfunction
  • Poor contact in valve connector
  • Engine control unit malfunction
  • Relay or fuse problems

How to Fix

  1. Check voltage in valve circuit
  2. Inspect connectors and wiring for damage
  3. Check valve resistance
  4. Replace bypass valve if necessary
  5. Check and replace fuses or relays

Related codes

Error P2C2E by Vehicle Brand