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K73 Telematics Communication Interface Control Module X1

WARNING: This page is about a different car, the 2024 GMC Terrain and 2024 Chevrolet Equinox. 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 0.35 RD / GY 2140 Battery Positive Voltage II UE1
2 - 3 - - - Not Occupied - -
4 0.5 BK 1750 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 GM LAN Serial Data [-] 9 I UE1
10 0.35 BU / GN 1304 High Speed GM LAN Serial Data [+] 9 I UE1
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
0.35
BARE
BARE
1792
1792
Low Reference
Low Reference
I
I
(IOS/IOU)+(UE1)
IOR+UE1
14 0.35
0.35
BK / GY
BK / GY
5152
5152
Voice Recognition Audio [-] Control
Voice Recognition Audio [-] Control
I
I
(IOS/IOU)+(UE1)
IOR+UE1
15 0.35
0.35
GY / YE
GY / YE
5149
5149
Voice Recognition Audio Signal
Voice Recognition Audio Signal
I
I
(IOS/IOU)+(UE1)
IOR+UE1
16 0.35
0.35
WH / GN
WH / GN
1305
1305
High Speed GM LAN Serial Data [-] 9
High Speed GM LAN Serial Data [-] 9
I
I
(IOS/IOU)+(UE1)
IOR+UE1
17 0.35
0.35
BU / GN
BU / GN
1304
1304
High Speed GM LAN Serial Data [+] 9
High Speed GM LAN Serial Data [+] 9
I
I
(IOS/IOU)+(UE1)
IOR+UE1
18 - - - Not Occupied - -
19 0.35 YE / VT 2516 Telematics Switch Green LED Indicator Control I UE1
20 - - - Not Occupied - -
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 GM LAN 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
0.35
GY / WH
GY / WH
7211
7211
Ethernet Bus 4 [+]
Ethernet Bus 4 [+]
I
I
(IOU/IOS)+UE1
IOR+UE1
29 0.35
0.35
GY
GY
7210
7210
Ethernet Bus 4 [-]
Ethernet Bus 4 [-]
I
I
(IOU/IOS)+UE1
IOR+UE1