Memory Seat Module (MSM) C5 (A45)

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Memory Seat Module (MSM) C5 (A45) Connector End View

Courtesy of GENERAL MOTORS CORP.

Memory Seat Module (MSM) C5 (A45) Connector & Terminal Parts Information

Connector Part Information

OEM: 31410-1200
Service: See Catalog
Description: 20-Way F (BK)

Terminal Part Information

Pins: 1, 2, 3, 4
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Pins: 11, 14, 15, 16, 17, 18, 19
Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Memory Seat Module (MSM) C5 (A45) Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	YE/BK	2079	Driver Heated Seat Cushion Temperature Sensor Signal (KA1)
2	OG/PK	7018	Right Seat Cushion Temperature Sensor Signal (KA1)
3	YE/BN	7020	Right Seat Back Temperature Sensor Signal (KA1)
4	D-BU	2425	Driver Heated Seat Back Temperature Sensor Signal (KA1)
5-10	-	-	Not Used
11	GY	788	5-Volt Reference
12-13	-	-	Not Used
14	BN/WH	557	Memory Seat Front Vertical Motor Position Sensor Signal
15	TN	568	Memory Seat Rear Vertical Motor Position Sensor Signal
16	D-GN	569	Memory Seat Horizontal Motor Position Sensor Signal
17	WH/BK	570	Driver Seat Recline Motor Position Sensor Signal
18	TN/WH	1062	Memory Seat Lumbar Vertical Position Sensor Signal
19	YE	1063	Memory Seat Lumbar Horizontal Position Sensor Signal
20	-	-	Not Used