Audi / Audi Q5 (FY) / 74 - Chassis Control [EV_ChassContrContiAU426 001004] / Towing gear (Equipment for connection of trailer) - coding

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Mark	Model	Control unit	Diagnostic operation

Mark

Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

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Note:

•         This unit uses long coding, use the AutoComSoft on-line system, or any calculator, e.g. LCode
•         To change coding, the control unit must be restarted. In VCDS, in the coding window, tick the Soft reset option
•         This procedure may require the hood to be opened or the SFD protection to be unlocked
•         This procedure may require temporary deactivation of the Gateway diagnostic filter

connect with the control unit XX - Body electronics

XX - Coding

Coding calculator

Byte XX (the first byte in the sequence is counted as the zero byte)
bit X (the first bit in order is counted as the seventh, then down to zero)

TIP: In the coding calculator, use the drop-down menu or checkboxes to make your selection.

Manual Byte assembly in the coding calculator:

enter value (BIN):
Xxxxxxxx = towing gear - NO
Xxxxxxxx = towing gear - YES

After assembling the byte, press ENTER on the keyboard

To change coding, the control unit must be restarted. In VCDS, in the coding window, tick the Soft reset option

Picture documentation:

+ Audi body module coding

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