BMW DTC P247C – Exhaust Gas Temperature Out of Range (Bank 2 Sensor 1)
DTC P247C meaning on BMW
The Diagnostic Trouble Code (DTC) P247C for BMW indicates that the Exhaust Gas Temperature (EGT) sensor for Bank 2 Sensor 1 is reporting a reading that is out of the expected range. This sensor is responsible for monitoring the temperature of the exhaust gases before they enter the catalytic converter.
BMW DTC P247C symptoms
Symptoms of a DTC P247C on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance
- Increased fuel consumption
- Potential rough idling or misfiring
BMW DTC P247C causes
Common causes of a DTC P247C on a BMW include:
- Failed or malfunctioning EGT sensor
- Wiring or connector issues in the EGT sensor circuit
- Exhaust system leaks or damage
- Software or calibration issues
BMW DTC P247C seriousness
While a DTC P247C may not always result in immediate drivability issues, it is important to address this code promptly. Ignoring the underlying problem can lead to decreased engine efficiency, potential damage to the catalytic converter, and increased emissions.
How to diagnose DTC P247C on BMW
To diagnose a DTC P247C on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the specific fault code and freeze frame data
- Inspect the EGT sensor and its wiring for any visible damage or corrosion
- Check for exhaust leaks or other issues in the exhaust system
- Perform a thorough inspection of the sensor circuit and related components
How to fix DTC P247C on BMW
To fix a DTC P247C on a BMW, the following steps may be taken:
- Replace the faulty EGT sensor if it is determined to be the cause
- Repair any damaged wiring or connectors in the sensor circuit
- Address any exhaust system leaks or damage
- Update software or perform calibration adjustments as needed
How to erase DTC P247C on BMW
After the underlying issue causing the DTC P247C has been resolved, the code can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow for monitoring of the system to ensure the problem does not reoccur.
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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