BMW DTC P022F – Charge Air Cooler Bypass Control ‘B’ Circuit High
DTC P022F meaning on BMW
The DTC P022F code on a BMW indicates an issue with the Charge Air Cooler Bypass Control ‘B’ circuit. This means that there is a high voltage condition detected in the circuit responsible for controlling the charge air cooler bypass valve.
BMW DTC P022F symptoms
Symptoms of the DTC P022F code on a BMW may include reduced engine performance, decreased fuel efficiency, rough idling, and potentially an illuminated check engine light on the dashboard.
BMW DTC P022F causes
The common causes of the DTC P022F code on a BMW include a faulty charge air cooler bypass valve, damaged wiring or connectors in the circuit, a malfunctioning bypass control module, or a problem with the engine control unit (ECU).
BMW DTC P022F seriousness
The DTC P022F code should not be ignored as it can lead to reduced engine efficiency and potential drivability issues. It is recommended to address this code promptly to prevent further damage to the vehicle.
How to diagnose DTC P022F on BMW
To diagnose the DTC P022F code on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the ECU. They would then inspect the charge air cooler bypass valve, check the wiring and connectors for any damage, and test the bypass control module for proper operation.
How to fix DTC P022F on BMW
Fixing the DTC P022F code on a BMW may involve replacing the charge air cooler bypass valve if it is found to be faulty. Additionally, repairing any damaged wiring or connectors in the circuit, replacing the bypass control module, or reprogramming the ECU may be necessary to resolve the issue.
How to erase DTC P022F on BMW
Once the underlying issue causing the DTC P022F code on a BMW has been fixed, the code can be erased using a diagnostic scanner. By clearing the fault codes from the ECU, the check engine light should turn off, indicating that the issue has been resolved.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.