GM Service Manual Online
For 1990-2009 cars only
Connector 1: Transmission Control Module (TCM), Engine Side
Connector 2: Transmission Range Switch, Wiring Harness Side
Connector 3: Vehicle Speed Sensor Assembly, Wiring Harness Side

Transmission Control Module (TCM), Engine Side


Object Number: 1530595  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Transmission Control Module (TCM), Engine Side

Pin

Wire Color

Circuit No.

Function

1

BN

418

TC  PWM Solenoid Valve Control

2

L-GN

1222

1-2 Shift Solenoid Valve Control

3

OG

1983

ISS Signal

4

--

--

Not Used

5

YE

400

VSS High Signal

6

L-BU

6106

High Speed GMLAN Serial Data Bus - (CAN)

7

D-BU

6105

High Speed GMLAN Serial Data Bus + (CAN)

8-10

--

--

Not Used

11

YE

243

Accessory Voltage

12-13

--

--

Not Used

14

WH

687

3-2 Shift Solenoid Valve Control

15

--

--

Not Used

16

L-GN/BK

822

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

PK

1224

Transmission Fluid Pressure Switch Signal A

25

TN/BK

422

TCC Solenoid Valve Control

26-28

--

--

Not Used

29

BK/WH

771

Transmission Range Switch Signal A

30

BK

2762

Low Reference

31

PK

139

Ignition 1 Voltage

32

OG

540

Battery Positive Voltage

33

RD

1226

Transmission Fluid Pressure Switch Signal C

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

PU/WH

821

VSS High Signal

42

L-BU

1320

Stop Lamp Switch Signal

43

--

--

Not Used

44

D-BU

1225

Transmission Fluid Pressure Switch Signal B

45

L-BU

1984

Low Reference

46

YE

772

Transmission Range Switch Signal B

47-48

--

--

Not Used

49

BK/WH

450

Ground

Transmission Range Switch, Wiring Harness Side


Object Number: 901402  Size: CH

Connector Part Information

  • OEM: 15416722
  • Service: Non-Serviceable
  • Description: ASM Conn 12-Way F GT (GY)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Transmission Range Switch, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

1

YE

1737

Starter Relay Coil Supply Voltage

2

--

--

Not Used

3

Plug GN

15305171

Not Used

4

YE

772

Transmission Range Switch Signal B

5

BK/WH

771

Transmission Range Switch Signal A

6

GY

773

Transmission Range Switch Signal C

7

BK

450

Ground

8

WH

776

Transmission Range Switch Signal P

9

L-GN

275

P/N Position Switch Signal

10

GY

1524

Backup Lamp Supply Voltage

11

PK

339

Ignition Voltage

12

PK

639

Crank Voltage

Vehicle Speed Sensor Assembly, Wiring Harness Side


Object Number: 237066  Size: CH

Connector Part Information

  • OEM: 12162194
  • Service: Non-Serviceable
  • Description: ASM Conn 2-Way F Metri-Pack 150.2 P2S (BK)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Vehicle Speed Sensor Assembly, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

822

VSS Low Signal

B

PU/WH

821

VSS High Signal