Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Connector assignment on Steering Column Electronic Systems Control Module J527 - front side
The Steering Column Electronic Systems Control Module J527 is part of the complete system "steering column switch module (SCSM)". It receives its signals e.g. from steering column switch.
Checking Steering Column Electronic Systems Control Module J527.
A - Cruise control system harness connector
1 - Ground (GND)
2 - Fix
3 - Distance
4 -12 V voltage supply
5 - Resume/touch "Off"
6 - Acceleration/Deceleration
7 - Locked "Off"
B - Turn signal harness connector
1 - Ground (GND)
2 - Radio remote control (special vehicles)
3 - Alarm (special vehicles)
4 - not occupied
5 - Flasher/light change-over
6 - Blinking
C - Harness connector of multi-function steering wheel/Tiptronic/heated steering wheel
7 - Tip- "-"
8 - Multi-function steering wheel "+" - Voltage supply
9 - Multi-function steering wheel data
10 - Tip- "+"
11 - Multi-function steering wheel dimmer
12 - Tiptronic Ground (GND)
13 - Heated steering wheel "+"
14 - Heated steering wheel "-"
D - Steering angle sensor
1 - Light barrier 5
2 - Light barrier 3
3 - Light barrier 1
4 -12 V voltage supply
5 - 5 V voltage supply
6 - Light barrier 6
7 - Light barrier 4
8 - Light barrier 2
9 - Steering angle sensor Ground (GND)
10 - Light barrier 7
E - Signal horn
1 - Horn Ground (GND)
2 - Horn
F - Wiper system
1 - Ground (GND)
2 - Interval-potentiometer
3 - Board computer
4 - not occupied
5 - Washing
6 - Wiping
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:
- 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.