BMW DTC P25F6 – AIR System ‘B’
DTC P25F6 meaning on BMW
The DTC P25F6 for BMW refers to an issue with the AIR System ‘B’. This code indicates that there is a problem with the secondary air injection system on the vehicle.
BMW DTC P25F6 symptoms
Symptoms of the BMW DTC P25F6 may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased emissions
BMW DTC P25F6 causes
Common causes of the BMW DTC P25F6 may include:
- Faulty secondary air injection pump
- Blocked or leaking air lines
- Malfunctioning air injection valves
BMW DTC P25F6 seriousness
The BMW DTC P25F6 should not be ignored as it can lead to increased emissions and potential engine performance issues. It is recommended to address this code promptly to prevent further damage to the vehicle.
How to diagnose DTC P25F6 on BMW
To diagnose the DTC P25F6 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the secondary air injection system components for any visible damage or leaks
- Test the functionality of the air injection pump and valves
How to fix DTC P25F6 on BMW
To fix the DTC P25F6 on a BMW, the following steps may be taken:
- Replace any faulty components in the secondary air injection system
- Clean or replace any blocked air lines
- Clear any debris or obstructions in the air injection system
How to erase DTC P25F6 on BMW
To erase the DTC P25F6 on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s computer system. Once the issue has been addressed and fixed, the code can be cleared to reset the Check Engine Light.
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.