AutoCodes – Generic – P022A

P022A Code - Charge Air Cooler Bypass Control 'A' Circuit /Open

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: P022A indicates Charge Air Cooler Bypass Control 'A' Circuit /Open.
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 3,350

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
FAQs
Comments
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Code P022A 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 P022A - Charge Air Cooler Bypass Control 'A' Circuit /Open - AutoCodes.com — P022A Code - Charge Air Cooler Bypass Control 'A' Circuit /Open

What does this mean?

What are the Possible Causes of the DTC P022A?

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 P022A?

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 P022A 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 P022A code?

Need more information on how to fix the P022A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P022A code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about P022A Code

1. What are common symptoms of OBDII code P022A (Charge Air Cooler Bypass Control 'A' Circuit /Open)?

- Common symptoms include reduced engine performance, decreased fuel efficiency, and possible stalling or rough idling.

2. What are potential causes of OBDII code P022A?

- Potential causes may include a faulty charge air cooler bypass control solenoid, damaged wiring or connectors in the circuit, or a malfunctioning PCM (powertrain control module).

3. How can I diagnose the cause of OBDII code P022A?

- To diagnose the issue, you can use a diagnostic scanner to retrieve the code and then perform a visual inspection of the wiring and connectors related to the charge air cooler bypass control system.

4. What should I check first when troubleshooting OBDII code P022A?

- Start by checking the charge air cooler bypass control solenoid for proper operation and ensure that all related fuses are intact.

5. Can I continue driving with OBDII code P022A present?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the engine and affect overall vehicle performance.

6. How can I repair OBDII code P022A?

- Repairing the issue may involve replacing the charge air cooler bypass control solenoid, repairing any damaged wiring or connectors, or reprogramming the PCM if needed.

7. Is it possible to reset OBDII code P022A without fixing the underlying issue?

- While you can clear the code temporarily, it is important to address the root cause of the problem to prevent it from recurring.

8. Are there any preventative maintenance tips to avoid OBDII code P022A?

- Regularly inspecting and maintaining the charge air cooler bypass control system can help prevent issues that may trigger this code.

9. Can extreme weather conditions impact OBDII code P022A?

- Extreme temperatures or harsh weather conditions can potentially affect the performance of the charge air cooler bypass control system and lead to the triggering of this code.

10. How long does it typically take to repair OBDII code P022A?

- The repair time can vary depending on the specific cause of the issue, but it may take anywhere from a few hours to a full day to diagnose and fix the problem effectively.