GM Service Manual Online
For 1990-2009 cars only
Table 1: Transmission Control Module (TCM) Connector, Engine Side
Table 2: Transmission Shift Interlock/TCC Brake Switch Connector, Wiring Harness Side
Table 3: Vehicle Speed Sensor Connector, Wiring Harness Side

Transmission Control Module (TCM) Connector, Engine Side


Object Number: 1372727  Size: CH

Connector Part Information

    • 15463921
    • Conn 49 F Micro-64 GT 280 (BK) Sealed

Pin

Wire Color

Circuit No.

Function

1

BN

418

TCC PWM Solenoid Valve Control

2

L-GN

1222

1-2 Shift Solenoid Valve Control

3

RD/BK

1230

ISS High Signal

4-5

--

--

Not Used

6

TN

2501

High Speed GMLAN Serial Data Bus - (CAN)

7

TN/WH

2500

High Speed GMLAN Serial Data Bus + (CAN)

8

--

--

Not Used

9

WH

1804

TCC Release Switch Signal

10

--

--

Not Used

11

D-GN

500

Ignition 0 Voltage

12-13

--

--

Not Used

14

L-BU

1296

Axle Actuator Control

15

--

--

Not Used

16

PU

401

VSS Low Signal

17

L-BU/WH

1229

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 Switch Signal C

24-25

--

--

Not Used

26

D-BU/WH

1231

ISS Low Signal

27-28

--

--

Not Used

29

BK/WH

771

Transmission Range Switch Signal A

30

BK

2762

TFT Sensor Low Reference

31

PK

439

Ignition 1 Voltage

32

OG

4340

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 - (CAN)

38

TN/WH

2500

High Speed GMLAN Serial Data Bus + (CAN)

39

WH

776

Transmission Range Switch Signal P

40

RD/BK

1228

PC Solenoid Valve High Control

41

YE

400

VSS High Signal

42

WH

17

Stop Lamp Switch Signal

43-45

--

--

Not Used

46

YE

772

Transmission Range Switch Signal B

47-48

--

--

Not Used

49

BK/WH

451

Ground

Transmission Shift Interlock/TCC Brake Switch Connector, Wiring Harness Side


Object Number: 40397  Size: CH

Connector Part Information

    • 12033706
    • 4-Way F Metri-Pack 280 Series (BU)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

1786

Park/Neutral Signal 1

B

D-GN/WH

1135

Brake Switch Shift Interlock Input

C

PK

1239

TCC Brake Switch Ignition 1 Voltage

D

PU

420

TCC Brake Switch Signal

Vehicle Speed Sensor Connector, Wiring Harness Side


Object Number: 646406  Size: CH

Connector Part Information

    • 15449029
    • 2-Way F Metri-Pack GT 150 P2S Series (GY)

Pin

Wire Color

Circuit No.

Function

A

PU

401

VSS Low Signal

B

YE

400

VSS High Signal