What are the common causes of P022A?

An open in the charge air cooler bypass control A circuit. A failed bypass actuator A. A corroded connector at bypass actuator A. A stuck charge air cooler bypass valve. A faulty ECM driver for control A.

Command the bypass actuator A with a scan tool. Test the control A circuit for an open. Inspect the bypass actuator A connector and wiring. Check the bypass valve for sticking. Replace the bypass actuator A if the circuit is open. Clear the code and retest.

P022A

Charge Air Cooler Bypass Control A Circuit /Open

System: Injector circuits (P code)
Lamp: Check Engine Light
Category: Powertrain - Fuel/Air Metering

What it means

P022A means Charge Air Cooler Bypass Control A Circuit /Open.

Check these first

An open in the charge air cooler bypass control A circuit
A failed bypass actuator A
A corroded connector at bypass actuator A
A stuck charge air cooler bypass valve
A faulty ECM driver for control A

What to do next

Command the bypass actuator A with a scan tool
Test the control A circuit for an open
Inspect the bypass actuator A connector and wiring
Check the bypass valve for sticking
Replace the bypass actuator A if the circuit is open
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.