P2484 – BMW DTC

BMW DTC P2484 – Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic (Bank 1 Sensor 5)

DTC P2484 meaning on BMW

DTC P2484 indicates an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit for Bank 1 Sensor 5 on a BMW vehicle. This fault code is triggered when the Engine Control Module (ECM) detects intermittent or erratic signals from the EGT sensor, which is responsible for monitoring the exhaust gas temperature.

BMW DTC P2484 symptoms

Symptoms of DTC P2484 on a BMW may include:

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

BMW DTC P2484 causes

The common causes of DTC P2484 on a BMW include:

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

BMW DTC P2484 seriousness

While DTC P2484 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 code can lead to increased fuel consumption and reduced engine efficiency.

How to diagnose DTC P2484 on BMW

To diagnose DTC P2484 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 1 Sensor 5 EGT sensor
3. Check the EGT sensor for proper operation and resistance values
4. Perform a visual inspection of the exhaust system for any signs of damage or leaks

How to fix DTC P2484 on BMW

To fix DTC P2484 on a BMW, consider the following steps:

1. Replace the faulty Exhaust Gas Temperature (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 P2484 on BMW

To erase DTC P2484 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. If the fault code reappears, further diagnosis and repairs may be necessary.

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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