DTC Hyundai P2159 Short Explanation

The video focuses on the basic Hyundai 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:
Hyundai
Code:
P2159
Definition:
LIN Bus Circuit #2. Bus Signal or Message Failures. Value Of Signal Protection Calculation Incorrect
Description:
The driver or passenger door module (DDM or PDM) both sends and receives information via a standardized serial communication method - LIN (Local Interconnect Network).The following components communicate on LIN bus 2: Left or right camera module (LCM or RCM).The diagnostic trouble code (DTC) is stored if the control module detects that: The signal is incorrect.The control modules test for the diagnostic trouble code (DTC) starts in the event of: Control module supplied with power.Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.
Cause:
Fault-trace in transmitting control module.