Drivetrain Control Module -J775-, REMOVING AND INSTALLING: Removing

2025 Audi A4 allroad Premium PlusSECTION Removing

-- If the Drivetrain Control Module -J775- is replaced, select the "Control module, replacing" program. Refer to DIAGNOSTIC ENTRIES .

-- Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display.

-- Remove the center console. Refer to CENTER CONSOLE, REMOVING AND INSTALLING .

-- Remove the Access/Start System Antenna 1 in Vehicle Interior -R138-. Refer to COMPONENT LOCATION OVERVIEW - KEYLESS ACCESS AUTHORIZATION SYSTEM .

-- Equipped on some models: remove the rear air duct. Refer to OVERVIEW - AIR ROUTING AND AIR DISTRIBUTION IN VEHICLE INTERIOR .

-- Cut through the carpet connecting piece -1- at the position shown in the illustration below -arrow A- using scissors.

GWWA68-10759Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -B arrows-.

-- Unclip the control module cover -2- from the threaded pins.

-- Unclip the wiring harness from the cover using the Pry Lever :80-200  and free it up.

-- Pull the control module cover out from under the carpet and remove it.

-- Remove the nuts -arrows- and remove the Drivetrain Control Module -J775- -1- -arrows-.

Fig 1: Drivetrain Control Module J775 - Tightening Specification
GWWA43-10282Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2-.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.