BMW DTC U0117 – Lost Communication With PTO Control Module
DTC U0117 meaning on BMW
DTC U0117 on a BMW indicates a communication error between the vehicle’s control module and the Power Take-Off (PTO) control module. The PTO control module is responsible for managing the power take-off system, which transfers power from the engine to auxiliary equipment like snowplows or hydraulic systems.
BMW DTC U0117 symptoms
Symptoms of DTC U0117 on a BMW may include:
- Check Engine Light (CEL) illuminated
- Loss of communication with the PTO system
- PTO system not functioning properly
BMW DTC U0117 causes
Common causes of DTC U0117 on a BMW include:
- Faulty wiring or connectors between the control module and PTO module
- Defective PTO control module
- Software issues in the control module
BMW DTC U0117 seriousness
While DTC U0117 may not directly affect the drivability of the vehicle, it can lead to issues with the proper functioning of the PTO system. It is important to address this code to ensure all vehicle systems are communicating effectively.
How to diagnose DTC U0117 on BMW
To diagnose DTC U0117 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the wiring and connectors between the control module and PTO module for any damage or corrosion
- Check for any software updates available for the control module
- If necessary, perform a communication test between the modules to verify connectivity
How to fix DTC U0117 on BMW
To fix DTC U0117 on a BMW, consider the following:
- Repair or replace any damaged wiring or connectors
- Replace the PTO control module if found to be faulty
- Update the software in the control module to the latest version
- Clear the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC U0117 on BMW
To erase DTC U0117 on a BMW, use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module. After clearing the codes, perform a test drive to confirm that the issue has been resolved and the Check Engine Light is no longer illuminated.
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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