BMW DTC P2473 – Exhaust Gas Temperature Sensor Circuit (Bank 2 Sensor 4)
DTC P2473 meaning on BMW
DTC P2473 for BMW refers to a fault in the Exhaust Gas Temperature (EGT) Sensor Circuit for Bank 2 Sensor 4. This diagnostic trouble code indicates that there is an electrical issue with the EGT sensor located in the exhaust system of the vehicle.
BMW DTC P2473 symptoms
Symptoms of DTC P2473 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Possible engine misfires
BMW DTC P2473 causes
Common causes of DTC P2473 on a BMW include:
- Faulty Exhaust Gas Temperature Sensor
- Wiring or connector issues in the EGT sensor circuit
- Exhaust system leaks
- Software or programming issues
BMW DTC P2473 seriousness
The seriousness of DTC P2473 on a BMW depends on the underlying cause. Ignoring this fault can lead to potential engine damage or reduced fuel efficiency. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P2473 on BMW
To diagnose DTC P2473 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the EGT sensor and its wiring for any visible damage
- Check for exhaust leaks or other related issues
- Perform a resistance test on the EGT sensor
How to fix DTC P2473 on BMW
To fix DTC P2473 on a BMW, you can try the following solutions:
- Replace the faulty Exhaust Gas Temperature Sensor
- Repair or replace any damaged wiring or connectors
- Address any exhaust system leaks
- Update the vehicle’s software if necessary
How to erase DTC P2473 on BMW
To erase DTC P2473 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue and making the necessary repairs, you can reset the Check Engine Light and verify that the fault code does not return.
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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