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: Data Link Connector (DLC)

Body Control Module (BCM) C1


Object Number: 333019  Size: CH

Connector Part Information

    • 12110245
    • 32-Way F Metri-Pack 100 Series (PNK)

Pin

Wire Color

Circuit No.

Function

C1

BLK/WHT

99

Windshield Washer Fluid Level Signal

C2

PPL

709

Left Park Lamp Supply Voltage

C3

BLK/WHT

238

Driver Seat Belt Switch Signal

C4-C6

--

--

Not Used

C7

PNK

39

Ignition 1 Voltage

C8

LT BLU

2380

Rear Parking Assist Chime Signal

C9

ORN

840

Battery Positive Voltage

C10

LT GRN

1845

Chime Control

C11

--

--

Not Used

C12

PPL/WHT

549

Headlamp Switch Headlamps Off Signal

C13

--

--

Not Used

C14

WHT

156

Courtesy Lamp Low Control

C15

GRY

157

Interior Lamp Control

C16

BLK

450

Ground

D1

ORN

1732

Courtesy Lamps Supply Voltage

D2-D9

--

--

Not Used

D10

DK BLU

1393

Interior Lamp Relay Coil Control

D11

BLK

1576

Trunk Release Switch Signal

D12

RED/BLK

744

Trunk Ajar Switch Signal

D13

DK BLU/WHT

1495

Courtesy Lamp Switch Signal

D14

PPL

806

Crank Voltage

D15-D16

--

--

Not Used

Body Control Module (BCM) C2


Object Number: 130689  Size: CH

Connector Part Information

    • 12110244
    • 24-Way F Micro-Pack 100 Series (PNK)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

WHT

193

Rear Defog Relay Control

A4

YEL

234

Seat Belt Indicator Control

A5

YEL

182

Heated Seat Control Module Enable Signal

A6

LT GRN

275

Park Neutral Position Switch Park Signal

A7

PPL

1807

Class 2 Serial Data

A8

--

--

Not Used

A9

WHT

530

Off/Run/Crank Voltage

A10

--

--

Not Used

A11

LT BLU

1788

Traction Control Switch Signal

A12

BLK/WHT

351

Ground

B1

ORN

1240

Battery Positive Voltage

B2-B6

--

--

Not Used

B7

PPL

1807

Class 2 Serial Data

B8

LT BLU/WHT

181

Heated Seat Control Module Status Signal

B9-B12

--

--

Not Used

Data Link Connector (DLC)


Object Number: 68793  Size: CH

Connector Part Information

    • 12110250
    • 16-Way F Metri - Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PPL

1807

Class 2 Serial Data

3

--

--

Not Used

4

BLK

350

Ground

5

BLK/WHT

351

Ground

6-7

--

--

Not Used

8

BLK/WHT

1455

Keyless Entry Program Enable Signal

9-13

--

--

Not Used

14

DK GRN

835

Entertainment and Comfort Serial Data

15

--

--

Not Used

16

ORN

1140

Battery Positive Voltage