Transmission Control Module (TCM) A (M98)

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

Courtesy of GENERAL MOTORS CORP.

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

Pin	Wire	Circuit	Function
1	BK/WH	-	Ground
2	YE/BK	-	Pressure Solenoid Control
3	L-BU	-	L-Up Solenoid Control
4	RD	-	Pressure Solenoid Supply Voltage
5	BU	-	L-Up Solenoid Supply Voltage
6	PK	-	Ignition 1 Voltage
7	YE	-	CAN Low
8-10	-	-	Not Used
11	PU	-	Transmission Fluid Temperature Sensor Signal
12	OG/BK	-	Transmission Fluid Temperature Sensor Low Reference
13	BN/WH	-	Shift Solenoid 4 Control
14	PK	-	Shift Solenoid 3 Control
15	YE/BK	-	Shift Solenoid 2 Control
16	L-GN	-	Shift Solenoid 1 Control
17	PU	-	CAN High
18	-	-	Not Used
19	BU	-	Clutch Pressure Solenoid Control
20	-	-	Not Used
21	L-BU	-	Clutch Pressure Solenoid Supply Voltage
22	YE/WH	-	Shift Solenoid 5 Control
23	BK/WH	-	Ground
24	OG	-	Battery Positive Voltage

Connector Part Information