OBD Guide

P022E

Charge Air Cooler Bypass Control B Circuit Low

P022E is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Bypass Control B Circuit Low. Common causes: valve control wire short to ground, broken wire in the wiring harness. Estimated repair cost: $33–167.

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

Symptoms

  • Reduced engine power
  • Increased charge air temperature
  • Slow response to pressing the gas pedal
  • Check Engine Light Illuminates
  • Increased fuel consumption

Causes

  • Valve control wire short to ground
  • Broken wire in the wiring harness
  • Bypass valve actuator malfunction
  • Valve connector oxidation
  • ECU malfunction (rare)

How to Fix

  1. Read and record error codes
  2. Check the supply voltage and control signal at the valve connector
  3. Check the wiring harness for opens and shorts
  4. Measure the resistance of the bypass valve winding
  5. Clean the connector and check the contacts
  6. If necessary, replace the intercooler bypass valve

Related codes

Error P022E by Vehicle Brand

FAQ

What does the P022E code mean?

P022E is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Bypass Control B Circuit Low

What causes a P022E error code?

The most common causes of P022E include: Valve control wire short to ground; Broken wire in the wiring harness; Bypass valve actuator malfunction; Valve connector oxidation.

How do I fix a P022E diagnostic trouble code?

To fix P022E: Read and record error codes. Check the supply voltage and control signal at the valve connector. Check the wiring harness for opens and shorts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P022E?

Yes, but get it checked soon

How much does it cost to fix P022E?

The estimated repair cost for P022E is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat