P247A – BMW DTC

BMW DTC P247A – Exhaust Gas Temperature Out of Range (Bank 1 Sensor 3)

DTC P247A meaning on BMW

The Diagnostic Trouble Code (DTC) P247A for BMW indicates that the Exhaust Gas Temperature (EGT) sensor for Bank 1 Sensor 3 is reporting a reading that is out of the expected range. This sensor is responsible for monitoring the exhaust gas temperature after the diesel particulate filter (DPF) in the exhaust system.

BMW DTC P247A symptoms

Symptoms of DTC P247A 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

BMW DTC P247A causes

Common causes of DTC P247A on a BMW include:

• Failed or faulty EGT sensor
• Wiring or connector issues related to the EGT sensor
• Exhaust system leaks or damage
• Software or calibration issues

BMW DTC P247A seriousness

While DTC P247A may not always result in immediate drivability issues, it is important to address this code promptly to prevent potential damage to the engine or emissions system. Ignoring this code could lead to more severe problems over time.

How to diagnose DTC P247A on BMW

To diagnose DTC P247A on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes and freeze frame data
2. Inspect the EGT sensor and its wiring for any visible damage or corrosion
3. Check for exhaust leaks or damage in the system
4. Perform a regeneration of the DPF system to ensure proper operation

How to fix DTC P247A on BMW

To fix DTC P247A on a BMW, you may need to:

1. Replace the faulty EGT sensor
2. Repair any damaged wiring or connectors related to the sensor
3. Inspect and repair any exhaust system leaks or damage
4. Update software or perform calibration adjustments as needed

How to erase DTC P247A on BMW

To erase DTC P247A on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. After fixing the underlying issue, drive the vehicle to allow the system to perform self-tests and verify 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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