BMW DTC P022E – Charge Air Cooler Bypass Control ‘B’ Circuit Low
DTC P022E meaning on BMW
The DTC P022E code on a BMW indicates an issue with the Charge Air Cooler Bypass Control ‘B’ circuit. This means that there is a low voltage condition detected in the control circuit for the charge air cooler bypass valve.
BMW DTC P022E symptoms
Symptoms of the DTC P022E code on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Engine stalling or hesitation
- Decreased fuel efficiency
BMW DTC P022E causes
Common causes of the DTC P022E code on a BMW include:
- Faulty charge air cooler bypass valve
- Wiring or connector issues in the control circuit
- ECU (Engine Control Unit) malfunction
BMW DTC P022E seriousness
The DTC P022E code should not be ignored as it can lead to engine performance issues and potentially cause further damage if left unresolved. It is recommended to address this issue promptly to prevent any long-term problems.
How to diagnose DTC P022E on BMW
To diagnose the DTC P022E code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the charge air cooler bypass valve and related components for any visible damage
- Check the wiring and connectors in the control circuit for any signs of wear or corrosion
- Test the charge air cooler bypass valve for proper operation
How to fix DTC P022E on BMW
To fix the DTC P022E code on a BMW, the following steps may be taken:
- Replace the faulty charge air cooler bypass valve
- Repair or replace any damaged wiring or connectors in the control circuit
- If necessary, reprogram or replace the ECU
- Clear the fault codes and test drive the vehicle to ensure the issue has been resolved
How to erase DTC P022E on BMW
To erase the DTC P022E code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the ECU. After clearing the codes, it is recommended to test drive the vehicle to ensure that the issue has been successfully 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
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