Hummer H2. Manual - part 233

Fig. 3: Data Link Connector & Splice Pack SP205 Component Views 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 3 

Callout

Component Name

1

BCM-C1

2

BCM-C2

3

BCM-C4

4

BCM-C3

5

BCM-C5

6

Body Control Module (BCM)

7

Footwell Courtesy Lamp-Left (If Equipped)

8

Data Link Connector (DLC)

9

Fuse Block-IP-C1

10

Fuse Block-IP Center Block

11

Splice Pack SP205

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Data Link Communications - Hummer H2

  

Fig. 4: Splice Pack SP206 Component Views 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 4 

Callout

Component Name

1

Steering Column

2

Transfer Case Shift Control Module

3

Splice Pack SP206

4

Steering Wheel Controls Backlight Fuse

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Data Link Communications - Hummer H2

  

Fig. 5: Splice Pack SP207 Component Views 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 5 

DATA LINK COMMUNICATIONS CONNECTOR END VIEWS 

Callout

Component Name

1

C200

2

Splice Pack SP207

3

C201

4

Left Side Cowl Panel

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Data Link Communications - Hummer H2

  

Data Link Connector Terminal Identification - (DLC)

DIAGNOSTIC INFORMATION AND PROCEDURES 

DIAGNOSTIC STARTING POINT - DATA LINK COMMUNICATIONS 

Begin the diagnosis of the Data Link Communications by performing the Diagnostic System Check for the 
system in which the customer concern is apparent. The Diagnostic System Check will direct you to the correct 
procedure within the Data Link Communications section when a communication malfunction is present. 

DIAGNOSTIC TROUBLE CODE (DTC) LIST 

Diagnostic Trouble Code (DTC) List 

Connector Part Information

z

12110250  

z

16-Way F Metri-Pack 150 Series (BK)  

Pin

Wire Color

Circuit No.

Function

1

-

-

Not Used

2

PU

1132

DLC Class 2 Serial Data

3

-

-

Not Used

4

BK

1050

Ground

5

BK/WH

1851

Ground

6-15

-

-

Not Used

16

OG

640

Battery Positive Voltage

DTC Diagnostic Procedure

Modules

U1000 DTC U1000

Audio Amplifier, BCM, DDM, DSM, EBCM, ESC, FPDM, HVAC, 
IPC, PCM, Radio, RSA, SDM, TCSCM, VCIM

U1016 DTC U1001-U1254

Audio Amplifier, BCM, DDM, DSM, EBCM, ESC, FPDM, HVAC, 
IPC, Radio, RSA, SDM, TCSCM, VCIM

U1026 DTC U1001-U1254

EBCM, IPC, PCM

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Data Link Communications - Hummer H2