Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that there is a problem with the part of the car that helps cool the air going into the engine. It's like when a fan in your room is not working right, and it's getting too hot.
The P022C code is triggered when the Engine Control Module (ECM) detects a high voltage condition in the charge air cooler bypass control circuit A.
The charge air cooler bypass system helps manage the temperature of the air entering the engine by bypassing the intercooler when necessary. A high circuit condition indicates that the voltage in the control circuit is above the expected range, which could be due to wiring issues, a faulty sensor, or a malfunctioning actuator.
• Check Engine Light is on
• Reduced engine performance
• Poor fuel economy
• Faulty charge air cooler bypass valve
• Damaged or corroded wiring or connectors
• Faulty ECM
ECM: Engine Control Module
Intercooler: A device used to cool air compressed by a turbocharger or supercharger before it enters the engine.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the charge air cooler bypass valve for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the charge air cooler bypass valve if faulty.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Ram 1500
• Regular maintenance checks
• Ensure connectors and wiring are clean and secure
• Use quality replacement parts
Sensor Issue
• Do not ignore the Check Engine Light.
• Get the vehicle inspected by a professional if unsure.
Check with the vehicle manufacturer for specific warranty coverage on emission-related components.
This code has been more common in turbocharged vehicles where charge air cooling is critical for performance.
Moderate – Should be addressed soon to avoid potential engine performance issues.
Driving with a malfunctioning charge air cooler bypass system can lead to increased emissions and potential engine damage.
• Engine running
• Vehicle at operating temperature
The charge air cooler bypass valve is typically located near the intercooler or along the intake piping.
Q: Can I drive with a P022C code?
A: It's not recommended to drive for extended periods with this code as it can affect engine performance and emissions.
Q: How serious is the P022C code?
A: While not immediately critical, it should be addressed soon to prevent further issues.
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