The video focuses on the basic GMC 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
GMC
Code
P208B
Definition
Electronic Control Unit ECU Performance RAM Integrity
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

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