OBD Guide

P022F

Charge Air Cooler Bypass Control B Circuit High

P022F is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Bypass Control B Circuit High. Common causes: short circuit of the control wire to positive, broken valve ground wire. Estimated repair cost: $33–167.

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

Symptoms

  • Power reduction at high loads
  • Increased charge air temperature
  • Tendency to detonation
  • Check Engine Light Illuminates
  • Increased fuel consumption under high load conditions

Causes

  • Short circuit of the control wire to positive
  • Broken valve ground wire
  • Malfunction of the control transistor in the ECU
  • Bypass valve stuck open
  • Damage to the connector or wiring harness

How to Fix

  1. Read error codes and check for adjacent codes
  2. Check the control voltage at the valve connector in different modes
  3. Check wiring harness for short circuit to positive
  4. Check valve ground wire
  5. Mechanically check the position and stroke of the bypass valve
  6. If necessary, replace the valve or repair the wiring harness

Related codes

Error P022F by Vehicle Brand

FAQ

What does the P022F code mean?

P022F is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Bypass Control B Circuit High

What causes a P022F error code?

The most common causes of P022F include: Short circuit of the control wire to positive; Broken valve ground wire; Malfunction of the control transistor in the ECU; Bypass valve stuck open.

How do I fix a P022F diagnostic trouble code?

To fix P022F: Read error codes and check for adjacent codes. Check the control voltage at the valve connector in different modes. Check wiring harness for short circuit to positive. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P022F?

Limited driving only, diagnose soon

How much does it cost to fix P022F?

The estimated repair cost for P022F is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat