DTC GMC P204C Short Explanation
Channel: Maxidot
Date: 2020-05-13

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
P204C
Definition
Parking Aid Front Sensor Left Middle Circuit Incorrect Period
Description
Vehicle in Service Mode or ON  The park assist is activated  The activation takes place through putting in the reverse gear or through operating the park assist switch
Cause
B0954 21, B0955 21, B0956 21, or B0957 21The object sensor determines no change in the position of an object while the vehicle is in motion