BMW DTC P2447 – AIR System Pump Stuck Off (Bank 2)
DTC P2447 meaning on BMW
DTC P2447 indicates an issue with the AIR (Air Injection Reaction) system pump on Bank 2 in a BMW vehicle. The AIR system is responsible for reducing emissions by injecting fresh air into the exhaust system to help with the combustion process.
BMW DTC P2447 symptoms
Symptoms of DTC P2447 in a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased emissions
- Engine misfires
BMW DTC P2447 causes
Common causes of DTC P2447 in a BMW include:
- Faulty AIR system pump
- Electrical issues in the AIR system pump circuit
- Clogged or blocked AIR system components
BMW DTC P2447 seriousness
DTC P2447 should not be ignored as it can lead to increased emissions and potential engine performance issues. It is important to address this code promptly to ensure the vehicle operates efficiently and meets emission standards.
How to diagnose DTC P2447 on BMW
To diagnose DTC P2447 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the AIR system pump and related components for any visible damage or blockages
- Check the electrical connections and wiring for any issues
- Perform a smoke test to check for leaks in the AIR system
How to fix DTC P2447 on BMW
To fix DTC P2447 on a BMW, the following steps may be taken:
- Replace the faulty AIR system pump
- Repair any damaged wiring or connections in the AIR system circuit
- Clean or replace clogged AIR system components
- Clear the fault code and reset the Check Engine Light
How to erase DTC P2447 on BMW
To erase DTC P2447 on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s computer. Once the issue has been addressed and fixed, the code can be cleared to reset the system and turn off 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.