VIDEO

Informace

Audi

Audi P0751

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

Audi P0751

Basic error definition

Shift solenoid A performance or stuck off

Cause of DTC

common high-side switch 1 and 3 on and no defects gearbox subsystem 1 active common high-side switches not deactivated by module 2 duty factor change of safety valve 1 (control of safety valve 1 is stable) < = 5% duty factor change of gearshift fork valve 2 (control of gearshift fork valve 2 is stable) < = 5% duty factor of control gearshift fork valve 1 >70% and steady state time > = 50 ms terminal 15 voltage > 4 V for more than 500 ms