K73 Telematics Communication Interface Control Module X1
WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type:Instrument Panel Wiring Harness
- OEM Connector: 35364134
- Service Connector: 13534974
- Description: 29-Way F 0.5 NANO, 1.2 MCON, stAK50h Series (BK)
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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/BU |
3240 |
Battery Positive Voltage |
II |
- |
| 2 - 3 |
- |
- |
- |
Not Occupied |
- |
- |
| 4 |
0.5 |
BK/WH |
2751 |
Signal Ground |
II |
- |
| 5 |
- |
- |
- |
Not Occupied |
- |
- |
| 6 |
0.35 |
GN/BK |
2515 |
Telematics Switch Supply Voltage |
II |
- |
| 7 |
- |
- |
- |
Not Occupied |
- |
- |
| 8 |
0.5 |
BK/WH |
2751 |
Signal Ground |
II |
- |
| 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 |
- |
| 12 |
0.35 |
WH/BU |
5986 |
Serial Data Communication Enable |
I |
- |
| 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 |
- |
| 17 |
0.35 |
BU/GN |
1304 |
High Speed GMLAN Serial Data [+] 9 |
I |
- |
| 18 |
- |
- |
- |
Not Occupied |
- |
- |
| 19 |
0.35 |
YE/VT |
2516 |
Telematics Switch Green LED Indicator Control |
I |
- |
| 20 |
0.35 |
BK |
1782 |
Low Reference |
I |
- |
| 21 |
0.35 |
BK/BN |
654 |
Cellular Telephone Microphone Low Reference |
I |
- |
| 22 |
0.35 |
BU |
655 |
Cellular Telephone Microphone Signal |
I |
- |
| 23 |
0.35 |
GY/GN |
1102 |
Low Speed GMLAN Serial Data 2 |
I |
- |
| 24 - 25 |
- |
- |
- |
Not Occupied |
- |
- |
| 26 |
0.35 |
BN/WH |
2517 |
Telematics Switch Red LED Indicator Control |
I |
- |
| 27 |
- |
- |
- |
Not Occupied |
- |
- |
| 28 |
0.35 |
GY/WH |
7211 |
Ethernet Bus 4 [+] |
I |
- |
| 29 |
0.35 |
GY |
7210 |
Ethernet Bus 4 [-] |
I |
- |