BMW DTC P2475 – Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 4)
DTC P2475 meaning on BMW
The Diagnostic Trouble Code (DTC) P2475 for BMW refers to an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit on Bank 2 Sensor 4. This code indicates that the signal from the EGT sensor located after the diesel particulate filter (DPF) on bank 2 sensor 4 is reading lower than the normal operating range.
BMW DTC P2475 symptoms
Symptoms of DTC P2475 on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance or power
- Increased fuel consumption
- Possible regeneration issues with the DPF system
BMW DTC P2475 causes
Common causes of DTC P2475 on a BMW include:
- Failed Exhaust Gas Temperature (EGT) sensor
- Wiring or connector issues in the EGT sensor circuit
- Faulty DPF system
- Software or calibration issues
BMW DTC P2475 seriousness
While DTC P2475 may not cause immediate drivability issues, it is important to address this code promptly to prevent potential damage to the DPF system and ensure optimal engine performance and emissions control.
How to diagnose DTC P2475 on BMW
To diagnose DTC P2475 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the wiring and connectors in the EGT sensor circuit for any damage or corrosion
- Test the EGT sensor for proper resistance and signal output
- Check the DPF system for any issues that may affect EGT sensor readings
How to fix DTC P2475 on BMW
To fix DTC P2475 on a BMW, you can consider the following actions:
- Replace the faulty Exhaust Gas Temperature (EGT) sensor
- Repair or replace any damaged wiring or connectors in the EGT sensor circuit
- Address any issues with the DPF system that may be affecting EGT sensor readings
- Perform a software update or calibration if necessary
How to erase DTC P2475 on BMW
To erase DTC P2475 on a BMW, you can use a diagnostic scanner to clear the fault code after the underlying issue has been resolved. Once the repair or replacement has been completed, you can reset the code to turn off the Check Engine Light and ensure that the system registers the repair.
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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