BMW DTC U0013 – Medium Speed CAN Communication Bus (+) Low
DTC U0013 meaning on BMW
The DTC U0013 code on a BMW indicates an issue with the Medium Speed Controller Area Network (CAN) communication bus. This specific fault code points to a low voltage condition on the positive side of the Medium Speed CAN bus.
BMW DTC U0013 symptoms
Symptoms of the DTC U0013 code on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Problems with various vehicle systems communicating with each other
- Issues with the transmission shifting smoothly
- Problems with the stability control system
BMW DTC U0013 causes
Common causes of the DTC U0013 code on a BMW include:
- Faulty wiring or connectors in the Medium Speed CAN bus circuit
- Defective Medium Speed CAN bus module
- Interference from other electronic components
BMW DTC U0013 seriousness
The DTC U0013 code should be addressed promptly as it can lead to communication issues between various vehicle systems. Ignoring this fault code may result in performance issues and potential safety concerns.
How to diagnose DTC U0013 on BMW
To diagnose the DTC U0013 code on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
- Inspect the wiring and connectors in the Medium Speed CAN bus circuit for any damage or corrosion
- Check the Medium Speed CAN bus module for proper operation
- Perform a thorough inspection of other electronic components that may be causing interference
How to fix DTC U0013 on BMW
To fix the DTC U0013 code on a BMW, consider the following steps:
- Repair or replace any damaged wiring or connectors in the Medium Speed CAN bus circuit
- Replace the faulty Medium Speed CAN bus module, if necessary
- Address any interference issues from other electronic components
How to erase DTC U0013 on BMW
To erase the DTC U0013 code on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. After fixing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and ensure proper operation of the vehicle.
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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