K71 Transmission Control Module X1 (MDK) 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: K71 Transmission Control Module X1 (MDK) Connector End View

Courtesy of GENERAL MOTORS CORP.

K71 Transmission Control Module X1 (MDK)

Pin	Wire	Circuit	Function
1	1.5 RD	40	Battery Positive Voltage
2-4	-	-	Not Used
5	0.75 OG/BK	1786	Park/Neutral Signal
6	0.5 TN	2501	High Speed GMLAN Serial Data Bus -
7	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
8	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
9	0.8 BK/WH	451	Ground
10	-	-	Not Used
11	0.5 PK	139	Ignition Voltage
12	0.5 YE	143	Accessory Voltage
13	-	-	Not Used
14	0.5 TN	2501	High Speed GMLAN Serial Data Bus -
15-16	-	-	Not Used

Connector Part Information

Harness Type: Engine
OEM Connector: 13110732
Service Connector: Pending
Description: 16-Way F 64/1.5 Series, Sealed (BK)

Terminal Part Information

Pins: 1, 9
Terminal/Tray: 7116-4103-08/9
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094430/J-35616-2A (GY)

Terminal/Tray: 7116-4721-02/14
Core/Insulation Crimp: Pins 5, 6, 7, 8, 12, 14 - Pending
Core/Insulation Crimp: Pins 11 - J/J
Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)