P2474 – BMW DTC

BMW DTC P2474 – Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 4)

DTC P2474 meaning on BMW

DTC P2474 indicates a malfunction in the Exhaust Gas Temperature (EGT) Sensor Circuit for Bank 2 Sensor 4 in a BMW vehicle. This fault code is triggered when the Engine Control Module (ECM) detects that the signal from the EGT sensor is outside the expected range or performance parameters.

BMW DTC P2474 symptoms

Symptoms of DTC P2474 in a BMW may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Reduced engine performance
• Increased fuel consumption
• Possible engine misfires or rough idling

BMW DTC P2474 causes

Common causes of DTC P2474 in a BMW include:

• Defective Exhaust Gas Temperature (EGT) sensor
• Wiring or connector issues in the EGT sensor circuit
• ECM software or hardware problems

BMW DTC P2474 seriousness

While DTC P2474 may not cause immediate drivability issues, it is important to address this fault code promptly to prevent potential damage to the engine or emissions system. Ignoring this fault could lead to increased fuel consumption and reduced engine efficiency.

How to diagnose DTC P2474 on BMW

To diagnose DTC P2474 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the wiring and connectors related to the Bank 2 Sensor 4 EGT sensor
3. Test the EGT sensor for proper resistance and voltage readings
4. Check for any exhaust leaks or other related issues

How to fix DTC P2474 on BMW

To fix DTC P2474 on a BMW, consider the following:

1. Replace the faulty Bank 2 Sensor 4 EGT sensor
2. Repair any damaged wiring or connectors in the EGT sensor circuit
3. Update the ECM software if necessary
4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P2474 on BMW

To erase DTC P2474 on a BMW, use a diagnostic scanner to clear the fault code from the ECM’s memory. After clearing the code, perform a test drive to verify that the issue has been resolved and the Check Engine Light is no longer illuminated.

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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