Rear side

2005 Audi A4 Quattro, 4D Sedan, 3.2 GSECTION Rear side
Fig 1: Steering Column Electronic Systems Control Module (Rear) Assembly Overview
GW00021561Courtesy of VOLKSWAGEN UNITED STATES, INC.

16-pin multi-pin connector (T16a)

1 - Terminal 31

2 - Terminal 30

5 - Cruise control switched "Off"

6 - Alarm (special-purpose vehicles)

7 - Radio telephone (special-purpose vehicles)

8 - CAN-Bus Low (Comfort)

9 - CAN-Bus High (Comfort)

10 - CAN-Bus High (powertrain)

11 - CAN-Bus Low (powertrain)

12 - Ignition terminal lock 75

13 - Ignition lock S terminal

14 - Ignition terminal lock 15

15 - Ignition terminal lock 50

16 - Ignition lock terminal P

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

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

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