P2497 – BMW DTC

BMW DTC P2497 – EGR Cooler Bypass Position Sensor Circuit (Bank 2)

DTC P2497 meaning on BMW

DTC P2497 on a BMW indicates a fault with the EGR (Exhaust Gas Recirculation) Cooler Bypass Position Sensor Circuit for Bank 2. This fault code is triggered when the Engine Control Module (ECM) detects an incorrect signal from the EGR cooler bypass position sensor, which is responsible for monitoring the position of the EGR cooler bypass valve.

BMW DTC P2497 symptoms

Symptoms of DTC P2497 on a BMW may include:

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance
  • Increased fuel consumption
  • Engine stalling or rough idling

BMW DTC P2497 causes

Common causes of DTC P2497 on a BMW include:

  • Faulty EGR cooler bypass position sensor
  • Wiring or connector issues in the sensor circuit
  • Carbon buildup in the EGR system
  • Software issues in the ECM

BMW DTC P2497 seriousness

While DTC P2497 may not always result in immediate drivability issues, it is important to address this fault code promptly to prevent potential damage to the engine and emissions system. Ignoring this fault could lead to increased emissions, reduced fuel efficiency, and potential engine damage over time.

How to diagnose DTC P2497 on BMW

To diagnose DTC P2497 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 EGR cooler bypass position sensor circuit
  3. Test the EGR cooler bypass position sensor for proper operation
  4. Clean the EGR system components to remove any carbon buildup
  5. Perform a thorough inspection of the EGR system for any other faults

How to fix DTC P2497 on BMW

To fix DTC P2497 on a BMW, you can try the following solutions:

  1. Replace the faulty EGR cooler bypass position sensor
  2. Repair any damaged wiring or connectors in the sensor circuit
  3. Clean the EGR system components to remove carbon deposits
  4. Update the ECM software if necessary

How to erase DTC P2497 on BMW

To erase DTC P2497 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After addressing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and monitor status. Make sure the repair has been completed successfully before clearing the code.

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.