BMW DTC U1825 – Drive Motor ‘A’ Control Module Lost Communication With Diagnosis OBD Hybrid via FA-CAN
DTC U1825 meaning on BMW
DTC U1825 on a BMW indicates that the Drive Motor ‘A’ Control Module has lost communication with the Diagnosis OBD Hybrid via FA-CAN. This means that there is a communication issue between the control module and the onboard diagnostic system in the hybrid vehicle.
BMW DTC U1825 symptoms
Symptoms of DTC U1825 on a BMW may include:
- Check Engine Light illuminated
- Hybrid system warning light on
- Loss of power or performance
- Issues with hybrid system operation
BMW DTC U1825 causes
Common causes of DTC U1825 on a BMW include:
- Faulty Drive Motor ‘A’ Control Module
- Wiring or connection issues between the control module and the OBD system
- Software or programming issues
BMW DTC U1825 seriousness
DTC U1825 should be addressed promptly as it can affect the proper functioning of the hybrid system in the BMW. Ignoring this code may lead to further complications and potential drivability issues.
How to diagnose DTC U1825 on BMW
To diagnose DTC U1825 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scan tool to retrieve the fault codes
- Inspect the wiring and connections between the Drive Motor ‘A’ Control Module and the OBD system
- Check for any software updates or reprogramming needed
How to fix DTC U1825 on BMW
To fix DTC U1825 on a BMW, the following steps may be taken:
- Repair or replace any faulty wiring or connections
- Update software or reprogram the control module if necessary
- If the Drive Motor ‘A’ Control Module is faulty, it may need to be replaced
How to erase DTC U1825 on BMW
To erase DTC U1825 on a BMW, the fault codes can be cleared using a diagnostic scan tool. Once the underlying issue has been addressed and fixed, the codes can be cleared to reset the system and turn off the warning lights.
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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