DTC BMW U1134 Short Explanation
Channel: Maxidot BMW
Date: 20/06/2020

The video focuses on the basic BMW diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
- an explanation of what a bit is and how a byte is formed
- decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
- Possible causes or errors of the car and its parts describing the mentioned error

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Make: 
BMW 
Code: 
U1134 
Definition: 
Lost Communication With Lamp Status 
Description: 
Key on for 800ms, and the DME detected that it has lost communication with the lamp status during its initial startup for 40ms (2 message cycles). The Engine Control Module (DME) communicates with all databus-capable control modules via a CAN databus. The 
Cause: 
DME has failed
Terminal resistance for CAN-bus are faulty
Can data bus wires have short circuited to each other