DTC Hummer B1000 2B Short Explanation
Channel: Maxidot
Date: 2020-05-03

The video focuses on the basic Hummer 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 
HUMMER 
Code 
B1000 2B 
Definition 
Electronic Control Unit ECU Performance Missing Reference 
Description 
The module runs the program to detect an internal fault when power up is commanded The only requirements are voltage and ground This program runs even if the voltage is out of the valid operating range 
Cause 
The module has detected an internal malfunction 
Failure Type 
Signal Cross Coupled
This sub type is used when a signal is found to be incorrectly correlated to another signal that the server is monitoring, indicating that the signals are shorted together