BMW DTC P1265 – EGR Positioner Circuit High (Bank 2)
DTC P1265 meaning on BMW
DTC P1265 on a BMW indicates an issue with the EGR (Exhaust Gas Recirculation) Positioner Circuit on Bank 2. This fault code is triggered when the Engine Control Module (ECM) detects a high voltage condition in the EGR position sensor circuit on Bank 2.
BMW DTC P1265 symptoms
Symptoms of DTC P1265 on a BMW may include:
- Check Engine Light illuminated
- Engine running rough or misfiring
- Reduced engine performance
- In some cases, there may be no noticeable symptoms
BMW DTC P1265 causes
Common causes of DTC P1265 on a BMW include:
- Faulty EGR position sensor
- Wiring or connector issues in the EGR position sensor circuit
- Carbon buildup in the EGR system
- ECM software issues
BMW DTC P1265 seriousness
While DTC P1265 may not always 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 decreased fuel efficiency and increased emissions.
How to diagnose DTC P1265 on BMW
To diagnose DTC P1265 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the EGR position sensor and its wiring for any visible damage or corrosion
- Test the EGR position sensor using a multimeter to check for proper voltage and resistance
- Check for any carbon buildup in the EGR system
- Perform a smoke test to check for leaks in the EGR system
How to fix DTC P1265 on BMW
To fix DTC P1265 on a BMW, the following steps may be taken:
- Replace the faulty EGR position sensor
- Repair any damaged wiring or connectors in the EGR position sensor circuit
- Clean out any carbon buildup in the EGR system
- Update the ECM software if necessary
How to erase DTC P1265 on BMW
To erase DTC P1265 on a BMW, the fault code can be cleared using a diagnostic scanner. After the repair has been completed, the mechanic can use the scanner to clear the code and reset the Check Engine Light. It is important to verify that the issue has been resolved before clearing the fault 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.