DTC Audi P1631 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: 
P1631 
Definition: 
Acceleration Pedal Position Sensor 1 Signal Too High 
Description: 
Engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, the ECM detected that the accelerator pedal position sensor signal was too high. Note: Both the Throttle Position (TP) Sensor and Accelerator Pedal Position Sensor 2 are located at the accelerator pedal module and communicate the driver’s intentions to the ECM completely independently of each other. Both sensors are stored in one housing. 
Cause: 
Ground between engine and chassis may be broken
Throttle position sensor may have failed
Accelerator Pedal Position Sensor 2 has failed
Throttle position sensor wiring may have shorted
Faulty voltage supply
ECM has failed