BMW DTC P2498 – EGR Cooler Bypass Position Sensor Range/Performance (Bank 2)
DTC P2498 meaning on BMW
The Diagnostic Trouble Code (DTC) P2498 for BMW refers to the EGR (Exhaust Gas Recirculation) Cooler Bypass Position Sensor Range/Performance issue in Bank 2. This code indicates that the Engine Control Module (ECM) has detected a problem with the position sensor responsible for monitoring the EGR cooler bypass valve in Bank 2 of the vehicle.
BMW DTC P2498 symptoms
Symptoms of DTC P2498 on a BMW may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Reduced engine performance or power
- Increased fuel consumption
- Engine stalling or rough idling
BMW DTC P2498 causes
Common causes of DTC P2498 on a BMW include:
- Malfunctioning EGR cooler bypass position sensor
- Wiring or connector issues in the sensor circuit
- Faulty EGR cooler bypass valve
- Carbon buildup in the EGR system
BMW DTC P2498 seriousness
While DTC P2498 may not always result in immediate drivability issues, it is important to address this problem promptly to prevent potential damage to the engine or emissions system. Ignoring this code can lead to reduced fuel efficiency and increased emissions output.
How to diagnose DTC P2498 on BMW
To diagnose DTC P2498 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
- Inspect the EGR cooler bypass position sensor and its wiring for any visible damage or corrosion.
- Test the sensor’s resistance and voltage output to ensure it is functioning within specifications.
- Check the EGR cooler bypass valve for proper operation and carbon buildup.
How to fix DTC P2498 on BMW
To fix DTC P2498 on a BMW, you can try the following solutions:
- Replace the EGR cooler bypass position sensor if it is found to be faulty.
- Repair any damaged wiring or connectors in the sensor circuit.
- Clean or replace the EGR cooler bypass valve if necessary.
- Clear the fault codes using a diagnostic scanner after completing the repairs.
How to erase DTC P2498 on BMW
To erase DTC P2498 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM. After completing the necessary repairs to address the underlying issue causing the fault code, you can reset the ECM and turn off 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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