DTC Audi P0638 Short Explanation

The video focuses on the basic Audi 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:
Audi
Code:
P0638
Definition:
Throttle Actuator Control Range or Performance - Bank 1
Description:
Ignition, on Engine speed, 0 RPM IAT, higher then 5° C Vehicle speed, 0 mph ECT, higher then 5° C
Cause:
Check fuses
Check throttle position sensor or accelerator position sensor
Check for signal, voltage and ground
Check harness for open or short
Check connector for damage.
Replace ECM