AutoCodes – Generic – P022E

P022E Code - Charge Air Cooler Bypass Control 'B' Circuit Low

Quick Answer

The Powertrain Control Module (PCM) controls and monitors the Charge Air Cooler Bypass Control Valve which controls airflow through the charge air cooler. Common causes include Faulty Air Cooler Bypass Control Valve, Air Cooler Bypass Control Valve harness is open or shorted, Air Cooler Bypass Control Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P022E indicates Charge Air Cooler Bypass Control 'B' Circuit Low.
Common causes: Common causes include Faulty Air Cooler Bypass Control Valve, Air Cooler Bypass Control Valve harness is open or shorted, Air Cooler Bypass Control Valve circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 2,661

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P022E Description

The Powertrain Control Module (PCM) controls and monitors the Charge Air Cooler Bypass Control Valve which controls airflow through the charge air cooler. The PCM sets the OBDII code when the Charge Air Cooler Bypass Control Valve stops working to the PCM signal.

OBDII Code P022E - Charge Air Cooler Bypass Control 'B' Circuit Low - AutoCodes.com — P022E Code - Charge Air Cooler Bypass Control 'B' Circuit Low

What does this mean?

What are the Possible Causes of the DTC P022E?

Faulty Air Cooler Bypass Control Valve
Air Cooler Bypass Control Valve harness is open or shorted
Air Cooler Bypass Control Valve circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P022E?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P022E code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P022E code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.