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P022A OBD2: Charge Air Cooler Bypass Control "A" Circuit /Open

P022A OBD2: Charge Air Cooler Bypass Control “A” Circuit /Open

The OBD-II code P022A indicates a problem with the charge air cooler bypass control circuit. This code is associated with the air flap actuator, which is crucial for regulating airflow through the charge air cooler.

What Does the P022A Code Mean?

The P022A code is triggered when the engine control module (PCM) detects that it cannot control the air flap actuator. This may occur due to an open circuit or a malfunction in the actuator itself. When this happens, the PCM may also disable the turbo or supercharger to prevent further damage to the system.

What Causes the P022A Code?

  • Air flap actuator failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues

What Are the Symptoms of the P022A Code?

  • Lack of boost from the turbo or supercharger

How Serious Is the P022A Code?

This code is considered to have moderate severity. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is advisable to have it diagnosed in a timely manner to prevent more serious issues down the line.

How to Diagnose the P022A Code

A proper diagnosis should be conducted by a certified mechanic using specialized diagnostic equipment. They will check the air flap actuator, wiring, and the PCM to identify the root cause of the code.

Common Repairs for the P022A Code

  • Replacing the air flap actuator
  • Repairing or replacing faulty wiring
  • Replacing the Powertrain Control Module (PCM)

How Much Does It Cost to Fix the P022A Code?

The cost of repairs can vary significantly based on the extent of the damage and the specific repairs needed. Replacing an air flap actuator can range from $200 to $600, while PCM replacement may cost upwards of $1,000, including labor.

Can I Fix the P022A Code Myself?

If you have experience with automotive repairs and access to the proper tools, you may be able to troubleshoot and fix the issue. However, it is recommended to consult a professional mechanic to ensure accurate diagnosis and repair.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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