Transmission Control Module (TCM) B (M98)

Fig 1: Transmission Control Module (TCM) B Connector End View (M98)

Courtesy of GENERAL MOTORS CORP.

Transmission Control Module (TCM) B Connector Terminal Identification (M98)

Pin	Wire	Circuit	Function
1-2	-	-	Not Used
3	YE	-	Hold Mode Indicator Control
4	GN/WH	-	Hold Mode Switch Signal
5	YE/BK	-	Output Shaft Speed Sensor Signal Low
6	BU/WH	-	Input Shaft Speed Sensor Signal Low
7	WH	-	B Signal
8	WH	-	A Signal
9-13	-	-	Not Used
14	BU/WH	-	Output Shaft Speed Sensor Signal High
15	GN/WH	-	Vehicle Speed Signal
16	YE/BK	-	Input Shaft Speed Sensor Signal High
17-18	-	-	Not Used
19	PK	-	PA Signal
20	GN	-	C Signal
21	-	-	Not Used
22	L-BU	-	Stop Lamp Switch Signal
23	BU	-	Serial Data
24-26	-	-	Not Used

Connector Part Information