DTC Hummer B1000-4A Short Explanation
Channel: Maxidot Hummer
Date: 2020-06-20

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 4A
Definition:
Drive Test: Test Active
Cause:
Drive Test Activated But Not RunSteering Column Control Module (Sccm)Anti-Lock Brake System (Abs) Module
Failure Type:
Incorrect Component Installed
This sub type is used by the control module to indicate a mismatch between the hardware connected to the control module and the hardware expected by the control module.