BMW DTC U1260 – Lost Communication With OBD-Data Driveline
DTC U1260 meaning on BMW
The DTC U1260 code on a BMW indicates a communication error between the vehicle’s onboard diagnostic system (OBD) and the driveline control module. This error typically means that the OBD system is unable to receive or transmit data to the driveline control module, leading to a loss of communication.
BMW DTC U1260 symptoms
Symptoms of the DTC U1260 code on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Difficulty shifting gears
- Reduced vehicle performance
- Problems with the drivetrain
BMW DTC U1260 causes
The DTC U1260 code on a BMW can be caused by various factors, including:
- Faulty wiring or connectors between the OBD system and driveline control module
- Defective driveline control module
- Software issues in the OBD system or driveline control module
- Interference from other electronic components
BMW DTC U1260 seriousness
The DTC U1260 code should not be ignored, as it can lead to drivability issues and potential safety concerns. It is important to address this communication error promptly to ensure the proper functioning of the vehicle’s driveline system.
How to diagnose DTC U1260 on BMW
To diagnose the DTC U1260 code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and data from the OBD system
- Inspect the wiring and connectors between the OBD system and driveline control module for any damage or corrosion
- Check for any software updates or reprogramming needed for the OBD system or driveline control module
- Perform a thorough inspection of the driveline control module for any signs of malfunction
How to fix DTC U1260 on BMW
To fix the DTC U1260 code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connectors between the OBD system and driveline control module
- Replace the driveline control module if it is found to be defective
- Update or reprogram the software in the OBD system or driveline control module as needed
- Ensure proper functioning of all electronic components to prevent interference
How to erase DTC U1260 on BMW
To erase the DTC U1260 code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the OBD system. Once the codes are cleared, the Check Engine Light should turn off. It is important to verify that the issue causing the code has been resolved 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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