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K73 Telematics Communication Interface Control Module X1

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
GM4496253Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Instrument Panel Wiring Harness
  • OEM Connector: 13534974
  • Service Connector: 13534974
  • Description: 29-Way F 0.5 NANO, 1.2 MCON, stAK50h Series (BK)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 19370262 EL-35616-58 (BK) EL-38125-58
II 84729890 J-35616-12 (BU) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 RD/GN 40 Battery Positive Voltage II UE1
2 - 3 - - - Not Occupied - -
4 0.5 BK/WH 1751 Signal Ground II UE1
5 - - - Not Occupied - -
6 0.35 GN/BK 2515 Telematics Switch Supply Voltage II UE1
7 - 8 - - - Not Occupied - -
9 0.35 WH/GN 1305 High Speed GMLAN Serial Data [-] 9 I -
10 0.35 BU/GN 1304 High Speed GMLAN Serial Data [+] 9 I -
11 0.35 GN/WH 2514 Telematics Switch Signal I UE1
12 0.35 WH/BU 5986 Serial Data Communication Enable I UE1
13 0.35 BARE 1792 Low Reference I -
14 0.35 BK/GY 5152 Voice Recognition Audio [-] Control I -
15 0.35 GY/YE 5149 Voice Recognition Audio Signal I -
16 0.35 WH/GN 1305 High Speed GMLAN Serial Data [-] 9 I UE1
17 0.35 BU/GN 1304 High Speed GMLAN Serial Data [+] 9 I UE1
18 - - - Not Occupied - -
19 0.35 YE/VT 2516 Telematics Switch Green LED Indicator Control I UE1
20 0.35 BARE 1782 Low Reference I UE1
21 0.35 BK/BN 654 Cellular Telephone Microphone Low Reference I UE1
22 0.35 BU 655 Cellular Telephone Microphone Signal I UE1
23 0.35 GY/GN 1102 Low Speed GMLAN Serial Data 2 I UE1
24 - 25 - - - Not Occupied - -
26 0.35 BN/WH 2517 Telematics Switch Red LED Indicator Control I UE1
27 - - - Not Occupied - -
28 0.35 GY/WH 7211 Ethernet Bus 4 [+] I -
29 0.35 GY 7210 Ethernet Bus 4 [-] I -