DTC Alfa-Romeo U1451-87 Short Explanation
Channel: Maxidot Alfa-Romeo
Date: 20/06/2020

The video focuses on the basic Alfa-Romeo specific 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: 
Alfa Romeo 
Code: 
U1451-87 
Definition: 
Rvcm (Rear View Camera Module)-Missing Message 
Description: 
When the Body Control Module (BCM) does not receive LIN Bus 2 messages from the Rear View Camera Module (RVCM) for greater than three seconds. 
Failure Type: 
Missing Message
This sub type is used for failures where one (or more) expected message(s) is not received, e.g., periodic transmission where the repetition time is too high, or message not received as a result of unforeseen reset events of the concerning component (e.g. engine control unit communicating with ABS).