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Home >> Audi >> 2025 >> S4 Premium Plus >> Repair and Diagnosis >> Quick Lookups >> Electrical Component Locations >> Component Locations: Control Modules In Rear Part Of Vehicle >> -Component Locations: Control Modules In Rear Part Of Vehicle >> Control module for emergency call module and communication unit -J949- COMPONENT LOCATION AND CONNECTOR END VIEW >> Control module for emergency call module and communication unit -J949-, THROUGH JUNE 2019 >> Pin Arrangements Control module for emergency call module and communication unit -J949-, through June 2019
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Pin Arrangements Control module for emergency call module and communication unit -J949-, through June 2019

-T20i- (A) Designation   -T20i- (A) Designation
1 GND   11 SIG, Airbag Control Module -J234-
2     12  
3 Terminal 30   13  
4     14  
5 SIG15   15  
6     16  
7     17 DATA, Data Bus On Board Diagnostic Interface -J533-
8     18  
9 CAN-L, Data Bus On Board Diagnostic Interface -J533-   19 DATA, Data Bus On Board Diagnostic Interface -J533-
10 CAN-H, Data Bus On Board Diagnostic Interface -J533-   20  
-T20j- (B) Designation   -T20j- (B) Designation
1 SIG, Control Module for Information Electronics 1 -J794-   11 SIG+, Control Module for Information Electronics 1 -J794-
2 (S), Control Module for Information Electronics 1 -J794-   12 SIG+, Control Module for Information Electronics 1 -J794-
3 SIG+, Control Module for Information Electronics 1 -J794-   13  
4 SIG-, Control Module for Information Electronics 1 -J794-   14  
5     15 SIG+, Emergency call module speaker -R335-
6     16  
7     17 SIG-, Emergency call module speaker -R335-
8     18  
9 SIG+, Microphone Unit (in front roof module) -R164-   19  
10 SIG+, Microphone Unit (in front roof module) -R164-   20  
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