GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module (BCM) C1
Table 2: Body Control Module (BCM) C2
Table 3: Body Control Module (BCM) C3
Table 4: Body Control Module (BCM) C4
Table 5: Data Link Connector (DLC)
Table 6: Powertrain Interface Module (PIM)

Body Control Module (BCM) C1


Object Number: 1356048  Size: CH

Connector Part Information

    • 7283-8622-40
    • 22-Way Female (GY)

Pin

Wire Color

Circuit No.

Function

1

YE

196

Windshield Wiper Motor Park Switch Signal

2

BN/WH

243

Accessory Voltage

3

BU

1315

Right Front Turn Signal Lamp Supply Voltage

4

L-BU

1314

Left Front Turn Signal Lamp Supply Voltage

5

GY

230

Instrument Panel Lamps Dimming Control

6

WH/RD

103

Headlamp Switch Headlamp On Signal

7

--

--

Not Used

8

YE

1351

Ground

9

BN/BK

755

RAP Relay Coil Control

10

OG/BK

740

Battery Positive Voltage

11

BK/GN

151

Ground

12

GN

96

Windshield Wiper Switch Pulse Delay Signal

13

OG/RD

140

Battery Positive Voltage

14

BN/GN

219

Keyless Entry Antenna Low Reference

15

--

--

Not Used

16

WH

1393

Courtesy Lamps Supply Voltage

17

BK/YE

28

Horn Relay Control

18

BK/RD

681

Secondary Rear Defog Switch Signal

19

RD/BK

762

A/C Request Signal

20

BK/YE

251

Ground

21

L-BU

264

Security Indicator Lamp Supply Voltage

22

OG/PU

440

Battery Positive Voltage

Body Control Module (BCM) C2


Object Number: 1356049  Size: CH

Connector Part Information

    • 7283-8621-40
    • 12-Way Female (GY)

Pin

Wire Color

Circuit No.

Function

1

YE

218

Keyless Entry Antenna Signal

2

YE/BK

1784

Twilight Sentinel Enable Signal

3

WH

44

Instrument Panel Lamps Dimmer Switch Signal

4

GY/BK

477

Windshield Wiper Switch Signal 1

5

RD/BK

800

UART Serial Data (Primary)

6

WH/GN

774

UART Serial Data (Tertiary)

7

PU/RD

1073

Ignition Key Resistor Signal

8

--

--

Not Used

9

GN/WH

1061

UART Serial Data (Secondary)

10

BK

306

Headlamp Switch Headlamps Off Signal

11

RD/WH

109

Hood Ajar Switch Signal

12

OG

292

Rear Defog Switch Signal

Body Control Module (BCM) C3


Object Number: 1356050  Size: CH

Connector Part Information

    • 7283-1766-10
    • 16-Way Female (GY)

Pin

Wire Color

Circuit No.

Function

1

BK/GN

150

Ground

2

OG

300

Ignition 3 Voltage

3

BU/WH

112

Windshield Wiper Switch Signal 1

4

BN/WH

4

Accessory Voltage

5

RD/WH

66

A/C Request Signal

6-7

--

--

Not Used

8

BK/RD

1576

Rear Compartment Lid Release Switch Signal

9

GN

63

Blower Motor Medium 1 Control

10

YE/RD

314

Radio On Signal

11

YE/BK

263

Tamper Switch Signal

12

--

--

Not Used

13

L-BU

228

Windshield Washer Pump Control

14

--

--

Not Used

15

GN

1149

Content Theft Horn Control

16

BN

111

Hazard Switch Signal

Body Control Module (BCM) C4


Object Number: 1356051  Size: CH

Connector Part Information

    • 7283-1767-10
    • 26-Way Female (GY)

Pin

Wire Color

Circuit No.

Function

1

BK/RD

294

Door Lock Actuator Unlock Control

2

RD/GN

56

Rear Compartment Lid Release Control

3

YE/BU

328

Interior Lamp Switch Signal

4

WH

745

Left Front Door Ajar Switch Signal

5

BN/OG

194

Door Unlock Control

6

YE/GN

744

Rear Compartment Lid Ajar Switch Signal

7

--

--

Not Used

8

BU/BK

694

Driver Door Lock Actuator Unlock Control

9

PU

5171

Dead Lock Actuator Lock Control

10

BK/YE

295

Door Lock Actuator Lock Control

11

OG/YE

638

Power Window Motor Driver Down Control

12

GN/BK

167

Power Window Right Front Down Control

13

GN/OG

667

Power Window Motor Right Front Down Control

14

BU/WH

666

Power Window Motor Right Front Up Control

15

GN

164

Power Window Motor Left Front Up Control

16

L-GN/YE

781

Driver Door Lock Switch Unlock Signal

17

BN/WH

780

Driver Door Lock Switch Lock Signal

18

--

--

Not Used

19

GY/WH

746

Right Front Door Ajar Switch Signal

20

BN/RD

195

Door Lock Control

21

PU

157

Courtesy Lamp Control

22

WH/GN

660

Left Courtesy Lamp Control

23-24

--

--

Not Used

25

YE

165

Power Window Motor Left Front Down Control

26

BU

1136

Power Window Master Switch Left Front Down Signal

Data Link Connector (DLC)


Object Number: 1356339  Size: CH

Connector Part Information

    • 7123-9265-30
    • 16-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

BK

150

Ground

5

BK/YE

251

Ground

6

TN/BK

2500

Serial Data-Can Protocal-High

7-8

--

--

Not Used

9

RD/BK

800

UART Serial Data (Primary)

10-11

--

--

Not Used

12

BU/BK

799

ABS Serial Data

13

--

--

Not Used

14

TN

2501

Serial Data-Can Protocol-Low

15

--

--

Not Used

16

OG/BK

740

Battery Positive Voltage

Powertrain Interface Module (PIM)


Object Number: 1549189  Size: CH

Connector Part Information

    • 7283-7367-30
    • 20-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

RD/WH

1045

RFA Class 2 Serial Data

4

GY/GN

275

Park Neutral Position Switch Park Signal

5-7

--

--

Not Used

8

GY/BK

87

Cruise Control Resume/Accel Switch Signal

9

BU

84

Cruise Control Set/Coast Switch Signal

10

RD/BK

800

Serial Data Signal

11-12

--

--

Not Used

13

OG

740

Battery Positive Voltage

14

OG

300

Ignition 3 Voltage

15

BK/GN

151

Ground

16

--

--

Not Used

17

TN/BK

2500

Serial Data-Can Protocol-High

18

TN/BK

2500

Serial Data-Can Protocol-High

19

TN

2501

Serial Data-Can Protocol-Low

20

TN

2501

Serial Data-Can Protocol-Low