BMW DTC U1194 – Message Monitoring Transmission Data via FA-CAN Check Sum Error
DTC U1194 meaning on BMW
DTC U1194 on a BMW refers to a Check Sum Error detected while monitoring transmission data via FA-CAN (FlexRay Controller Area Network). This error code indicates that there is an issue with the data integrity of the transmission data being monitored by the vehicle’s control module.
BMW DTC U1194 symptoms
Symptoms of DTC U1194 on a BMW may include erratic shifting behavior, transmission slipping, hesitation during acceleration, and in some cases, the transmission may go into limp mode. The vehicle’s check engine light may also be illuminated.
BMW DTC U1194 causes
The Check Sum Error indicated by DTC U1194 on a BMW can be caused by various factors such as faulty transmission sensors, wiring issues, software glitches, or a malfunctioning control module. It is essential to perform a thorough diagnosis to pinpoint the exact cause.
BMW DTC U1194 seriousness
DTC U1194 should be addressed promptly as it can lead to potential transmission issues and affect the overall drivability of the vehicle. Ignoring this error code may result in further damage to the transmission system and potentially lead to costly repairs.
How to diagnose DTC U1194 on BMW
To diagnose DTC U1194 on a BMW, a comprehensive scan tool capable of reading transmission codes is required. The technician should perform a detailed inspection of the transmission system, including checking the transmission sensors, wiring connections, and the control module for any signs of damage or malfunction.
Additionally, conducting a thorough visual inspection of the transmission components and performing a test drive to replicate the symptoms can help in diagnosing the root cause of the Check Sum Error.
How to fix DTC U1194 on BMW
Fixing DTC U1194 on a BMW involves addressing the underlying cause of the Check Sum Error. This may include repairing or replacing faulty transmission sensors, fixing wiring issues, updating the control module software, or resetting the transmission adaptation values.
It is recommended to follow the manufacturer’s diagnostic procedures and use genuine BMW parts to ensure a proper repair. Once the issue is resolved, the error code should be cleared, and the vehicle should be tested to ensure that the problem has been rectified.
How to erase DTC U1194 on BMW
To erase DTC U1194 on a BMW, a diagnostic scan tool capable of clearing transmission codes is required. The technician should access the vehicle’s onboard diagnostic system, navigate to the transmission module, and select the option to clear the stored error codes.
After clearing the DTC U1194 code, it is advisable to perform a test drive to ensure that the code does not reappear. If the issue has been successfully resolved, the check engine light should turn off, indicating that the error code has been erased.
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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