OBD Guide

P022D

Charge Air Cooler Bypass Control B Circuit /Open

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

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Rough idle
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in wiring harness
  • Charge air cooler bypass valve malfunction
  • Problems with connectors or contacts
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the condition of the wiring harness for breaks or damage
  2. Check the operation of the charge air cooler bypass valve
  3. Clean or replace circuit connectors and contacts
  4. Test the engine control unit (ECU)
  5. If necessary, replace the faulty component

Related codes

Error P022D by Vehicle Brand