DTC Audi P1398 Short Explanation
Channel: Maxidot Audi
Date: 20/06/2020

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: 
P1398 
Definition: 
Engine RPM Signal, TD Short to Ground 
Description: 
Key on or Engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, parking brake must be engaged (to keep daytime driving lights off), automatic transmission selector must 
Cause: 
Can-bus signal faulty
Speed sensor has failed