K73 Telematics Communication Interface Control Module X1 Connector End View

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: K73 Telematics Communication Interface Control Module X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

K73 Telematics Communication Interface Control Module X1

Pin	Color	Circuit	Function
1	0.5 L-GN	5060	Low Speed GMLAN Serial Data
2	0.5 BN/WH	2517	Keypad Red LED
3	0.5 YE/BK	2516	Keypad Green LED
4-5	-	-	Not Used
6	0.5 L-GN/BK	2515	Keypad Supply Voltage
7	0.75 BK	1750	Ground
8-9	-	-	Not Used
10	0.5 D-BU	2500	High Speed GMLAN Serial Data (+) (1)
11	0.5 L-GN/WH	2514	Keypad Signal
12	0.5 WH	2501	High Speed GMLAN Serial Data (-) (1)
13	0.5 GY/BK	5167	Low Reference
14	0.5 RD/WH	5235	Battery Backup Supply Voltage
15	0.75 RD/GY	142	Battery Positive Voltage
16	-	-	Not Used

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 19153138
Service Connector: 13316208
Description: 16-Way F Multilock 040 II Series (WH)

Terminal Part Information

Terminated Lead: Pending
Release Tool: 12180559
Diagnostic Test Probe: J-35616-16 (L-GN)
Terminal/Tray: 15445905/23
Core/Insulation Crimp: Pins: 1-3, 6, 10-14: J/J
Core/Insulation Crimp: Pins: 7, 15: K/K