OBD Guide

P022D

Charge Air Cooler Bypass Control B Circuit /Open

P022D is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Bypass Control B Circuit /Open. Common causes: open or short circuit in wiring harness, charge air cooler bypass valve malfunction. 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
  • 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

FAQ

What does the P022D code mean?

P022D is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Bypass Control B Circuit /Open

What causes a P022D error code?

The most common causes of P022D include: Open or short circuit in wiring harness; Charge air cooler bypass valve malfunction; Problems with connectors or contacts; Engine control unit (ECU) malfunction.

How do I fix a P022D diagnostic trouble code?

To fix P022D: Check the condition of the wiring harness for breaks or damage. Check the operation of the charge air cooler bypass valve. Clean or replace circuit connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P022D?

Limited driving only, diagnose soon

How much does it cost to fix P022D?

The estimated repair cost for P022D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat