Transmission Control Module (TCM) Connector End View

Transmission Control Module (TCM) Connector End View/Part Information/Terminal Identification - A

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		AMP 1318756-1 24-Way F 025/090 SER 26POS PLUG ASSY (WH)
Pin	Wire Color	Circuit No.	Function
1	BK	-	Ground
2	OG	-	Low Reference
3	-	-	Not Used
4	RD	-	Pressure Control Solenoid Control
5	D-BU	-	Torque Converter Clutch Solenoid Control
6	PK	-	Ignition 1 Voltage
7	YE	-	CAN Serial Data Low
8-10	-	-	Not Used
11	PU	-	Transmission Fluid Temperature Sensor Signal
12	OG/BK	-	Transmission Fluid Temperature Sensor Low Reference
13	-	-	Not Used
14	PK	-	Timing Valve Control
15	YE/BK	-	Shift Solenoid 2 Valve Control
16	L-GN	-	Shift Solenoid 1 Valve Control
17	PU	-	CAN Serial Data High
18-22	-	-	Not Used
23	BK	-	Ground
24	RD/WH	-	Battery Positive Voltage

Transmission Control Module (TCM) Connector End View/Part Information/Terminal Identification B

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		AMP 1318757-1 26-Way F 025/090 SER 24POS PLUG ASSY (WH)
Pin	Wire Color	Circuit No.	Function
1	L-GN	-	Park/Neutral Position (PNP) Switch Reverse Signal
2	-	-	Not Used
3	YE	-	Hold Motor Indicator Control
4	D-GN/WH	-	Transmission Hold Signal
5	-	-	Not Used
6	/WH	-	Input Shaft Speed (ISS) Sensor High Signal
7	BN/WH	-	Park/Neutral Position (PNP) Switch Drive Signal
8	YE	-	Park/Neutral Position (PNP) Switch Neutral Signal
9-15	-	-	Not Used
16	OG	-	Input Shaft Speed (ISS) Sensor Low Signal
17	-	-	Not Used
18	GY	-	Park/Neutral Position (PNP) Switch Low Gear Signal
19	YE/BK	-	Park/Neutral Position (PNP) Switch 2nd Gear Signal
20	D-GN/WH	-	Park/Neutral Position (PNP) Switch Park Signal
21	-	-	Not Used
22	L-BU	-	Stop Lamp Supply Voltage/Stop Lamp Switch Signal
23	BK/WH	-	Serial Data
24	-	-	Not Used
25	D-GN/WH	-	Vehicle Speed Signal
26	-	-	Not Used