BMW DTC P2437 – AIR System Air Flow/Pressure Sensor Circuit Low (Bank 2)
DTC P2437 meaning on BMW
DTC P2437 on a BMW indicates an issue with the AIR system air flow/pressure sensor circuit on Bank 2. This fault code is specifically related to the air injection system, which is responsible for reducing emissions by injecting fresh air into the exhaust system to help burn off any remaining fuel vapors.
BMW DTC P2437 symptoms
Symptoms of DTC P2437 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Rough idling or stalling
BMW DTC P2437 causes
Common causes of DTC P2437 on a BMW include:
- Faulty air flow/pressure sensor
- Wiring or connector issues in the sensor circuit
- Issues with the air injection system components
BMW DTC P2437 seriousness
While DTC P2437 may not cause immediate drivability issues, it is important to address this fault code promptly to prevent potential damage to the engine or catalytic converter. Ignoring this fault code can lead to increased emissions and reduced fuel efficiency.
How to diagnose DTC P2437 on BMW
To diagnose DTC P2437 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and any related freeze frame data
- Inspect the air flow/pressure sensor and its wiring for any visible damage or corrosion
- Check the air injection system components for proper operation
- Perform a smoke test to check for any leaks in the system
How to fix DTC P2437 on BMW
To fix DTC P2437 on a BMW, you can try the following solutions:
- Replace the faulty air flow/pressure sensor
- Repair any damaged wiring or connectors in the sensor circuit
- Clean or replace any clogged air injection system components
- Clear the fault code and reset the Check Engine Light
How to erase DTC P2437 on BMW
To erase DTC P2437 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After fixing the underlying issue causing the fault code, clearing it will reset the Check Engine Light and ensure the system is operating correctly.
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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