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.
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HOMESERVICE MANUALSAUDI2012A3 (8PA) L4-2.0L TURBO (CCTA)REPAIR AND DIAGNOSISDIAGRAMSCONNECTOR VIEWSRADIO, STEREO, AND COMPACT DISCSYSTEM DIAGRAMSTEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE CONNECTORS
2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)
Steering Column Electronic Systems Control Module Connectors
2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)SECTION Steering Column Electronic Systems Control Module Connectors
Steering Column Electronic Systems Control Module Connectors
Connectors
A 4-pin connector (T4n) yellow
B Black 20-pin connector (T20b)
B - Black 20-Pin Connector (T20b)
11 CAN bus low (powertrain)
12 CAN bus high (powertrain)
13 Cruise control locked "OFF" to engine control module (ECM) (J623)
14 CAN bus high (Comfort)
15 CAN bus low (Comfort)
16 "Parking lock" signal from automatic transmission shift gate
17 Terminal 15 to Vehicle Electrical System Control Module (J519)
18 Terminal 50 to Vehicle Electrical System Control Module
19 Terminal 30
20 Terminal 31
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.