GM Service Manual Online
For 1990-2009 cars only
Connector 1: Transmission Control Module (TCM), Engine Side
Connector 2: Vehicle Speed Sensor, Wiring Harness Side

Transmission Control Module (TCM), Engine Side


Object Number: 1372727  Size: CH

Connector Part Information

  • OEM: 15463921
  • Service: 88987979
  • Description: 49-Way F Micro-64 GT 280 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Transmission Control Module (TCM), Engine Side

Pin

Wire Color

Circuit No.

Function

1

TN/BK

422

Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control

2

L-GN

1222

1-2 Shift Solenoid (SS) Valve Control

3

OG/BK

1230

Input Speed Sensor (ISS) High Signal

4

--

--

Not Used

5

BN/WH

6354

Output Speed High

6

TN

2501

High Speed GMLAN Serial Data Bus

7

TN/BK

2500

High Speed GMLAN Serial Data Bus

8

--

--

Not Used

9

YE

657

TCC Release Switch Signal

10

--

--

Not Used

11

BN

1141

Ignition 3 Voltage

12-15

--

--

Not Used

16

PU

401

VSS Low Signal

17

L-BU/WH

1229

Pressure Control (PC) Solenoid Valve Low Control

18-19

--

--

Not Used

20

YE/BK

1223

2-3 Shift Solenoid Valve Control

21-22

--

--

Not Used

23

GY

773

Transmission Range Signal C

24-25

--

--

Not Used

26

D-BU/WH

1231

ISS Low Signal

27-28

--

--

Not Used

29

TN/WH

771

Transmission Range Signal A

30

BK

452

Low Reference

31

PK

439

Ignition 1 Voltage

32

RD/WH

540

Battery Positive Voltage

33-34

--

--

Not Used

35

YE/BK

1227

TFT Sensor Signal

36

--

--

Not Used

37

TN

2501

High Speed GMLAN Serial Data Bus

38

TN/BK

2500

High Speed GMLAN Serial Data Bus

39

WH

776

Transmission Range Signal P

40

OG/BK

1228

PC Solenoid Valve High Control

41

YE

400

VSS High Signal

42

L-GN

526

Stop Lamp Supply Voltage

43-45

--

--

Not Used

46

YE

772

Transmission Range Signal B

47-48

--

--

Not Used

49

BK/WH

1451

Ground

Vehicle Speed Sensor, Wiring Harness Side


Object Number: 1513263  Size: CH

Connector Part Information

  • OEM: 15336024
  • Service: 88987993
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326266
  • Core/Insulation Crimp: C
  • Release Tool/Test Probe: See Terminal Repair Kit

Vehicle Speed Sensor, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

1

PU

401

VSS Low Signal

2

YE

400

VSS High Signal