P2488 – BMW DTC

BMW DTC P2488 – Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 5)

DTC P2488 meaning on BMW

DTC P2488 indicates a problem with the Exhaust Gas Temperature (EGT) Sensor Circuit for Bank 2 Sensor 5 in a BMW vehicle. This fault code is related to the performance or range of the sensor, signaling that the signal being received is outside the expected parameters.

BMW DTC P2488 symptoms

Symptoms of DTC P2488 in a BMW may include:

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

BMW DTC P2488 causes

Common causes of DTC P2488 in a BMW include:

• Defective EGT sensor
• Wiring or connector issues in the EGT sensor circuit
• Exhaust system leaks
• Software or calibration issues

BMW DTC P2488 seriousness

While DTC P2488 may not always result in immediate drivability issues, it is important to address this fault 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 P2488 on BMW

To diagnose DTC P2488 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 EGT sensor and its wiring for any visible damage or corrosion
3. Perform a resistance test on the sensor to check for proper functionality
4. Check for exhaust leaks or other issues in the exhaust system

How to fix DTC P2488 on BMW

To fix DTC P2488 on a BMW, you may need to:

1. Replace the faulty EGT sensor
2. Repair or replace damaged wiring or connectors in the sensor circuit
3. Address any exhaust leaks or system issues
4. Update software or perform calibration if necessary

How to erase DTC P2488 on BMW

To erase DTC P2488 on a BMW, you can:

1. Use a diagnostic scanner to clear the fault code
2. After fixing the underlying issue, perform a test drive to ensure the code does not return

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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