BMW DTC P1268 – EGR Positioner Output Stage Over Temperature (Bank 2)
DTC P1268 meaning on BMW
The DTC P1268 for BMW indicates an issue with the EGR (Exhaust Gas Recirculation) Positioner Output Stage Over Temperature on Bank 2. This means that the electronic control module (ECM) has detected that the EGR positioner output stage on Bank 2 is operating at a temperature higher than the specified limit.
BMW DTC P1268 symptoms
Symptoms of DTC P1268 on a BMW may include:
- Check Engine Light (MIL) illuminated
- Reduced engine performance
- Increased fuel consumption
- Engine stalling or rough idling
BMW DTC P1268 causes
Possible causes of DTC P1268 on a BMW include:
- Faulty EGR position sensor
- Wiring or connector issues in the EGR system
- Excessive carbon buildup in the EGR system
- Malfunctioning EGR valve
BMW DTC P1268 seriousness
While DTC P1268 may not cause immediate drivability issues, it can lead to reduced engine performance and increased emissions. Ignoring this fault code can potentially cause further damage to the engine components over time.
How to diagnose DTC P1268 on BMW
To diagnose DTC P1268 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the EGR system for any visible damage or leaks
- Check the wiring and connectors for any signs of wear or corrosion
- Test the EGR position sensor for proper operation
How to fix DTC P1268 on BMW
To fix DTC P1268 on a BMW, the following steps may be taken:
- Clean or replace the EGR valve if carbon buildup is present
- Repair any damaged wiring or connectors in the EGR system
- Replace the EGR position sensor if faulty
- Clear the fault codes and reset the ECM
How to erase DTC P1268 on BMW
To erase DTC P1268 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM memory. Once the codes are cleared, the Check Engine Light should turn off. It is important to ensure that the underlying issue causing the fault code has been addressed 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
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