P2471 – BMW DTC

BMW DTC P2471 – Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 4)

DTC P2471 meaning on BMW

DTC P2471 on a BMW indicates a high voltage condition in the exhaust gas temperature sensor circuit for Bank 1 Sensor 4. This means that the signal being sent by the sensor is registering a temperature that is higher than expected by the engine control module.

BMW DTC P2471 symptoms

Symptoms of DTC P2471 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Increased fuel consumption
• Possible engine misfires

BMW DTC P2471 causes

The high voltage condition in the exhaust gas temperature sensor circuit (Bank 1 Sensor 4) on a BMW can be caused by:

• Faulty exhaust gas temperature sensor
• Wiring or connector issues in the sensor circuit
• Exhaust system leaks
• Engine overheating

BMW DTC P2471 seriousness

While DTC P2471 may not cause immediate drivability issues, it is important to address this fault as it can lead to reduced engine performance and potential long-term damage if left unresolved.

How to diagnose DTC P2471 on BMW

To diagnose DTC P2471 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the wiring and connectors in the exhaust gas temperature sensor circuit
3. Check the exhaust gas temperature sensor for proper operation
4. Perform a visual inspection of the exhaust system for leaks or damage

How to fix DTC P2471 on BMW

To fix DTC P2471 on a BMW, you can try the following:

1. Replace the faulty exhaust gas temperature sensor
2. Repair any damaged wiring or connectors in the sensor circuit
3. Address any exhaust system leaks
4. Ensure proper engine cooling system operation

How to erase DTC P2471 on BMW

To erase DTC P2471 on a BMW, you can use a diagnostic scanner to clear the fault code from the engine control module’s memory. After fixing the underlying issue, clearing the code will reset the Check Engine Light.

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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