Hummer H2. Manual - part 177

 

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Hummer H2. Manual - part 177

 

 

HORN INOPERATIVE IN CONTENT THEFT DETERRENT (CTD) ALARM MODE 

Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode 

Did you complete the replacement?

Step 23

20

Repair the open in the signal circuit of the door key 
switch between the RH door key switch connector and 
C200. 
Did you complete the repair?

-

Go to 

Step 23

-

21

Repair the open in the ground circuit between the door 
key switch connector and G200. 
Did you complete the repair?

-

Go to 

Step 23

-

22

1. Replace the BCM. Refer to Body Control 

Module Replacement in Body Control System.  

2. Program the BCM with the proper calibrations. 

Refer to Body Control Module (BCM) 
Programming/RPO Configuration in Body 
Control System.  

3. Perform the learn procedure.  

Did you complete the replacement?

-

Go to 

Step 23

-

23

1. Reconnect any connectors that were removed for 

testing.  

2. Clear any DTCs that may have been set during 

this procedure.  

3. Attempt to set the CTD system. Refer to Content 

Theft Deterrent (CTD) Description and 
Operation .  

Does the system work as described?

-

System 

OK

Go to Diagnostic 

System Check - 

Theft Deterrent

Step

Action

Yes

No

Schematic Reference:Theft Deterrent System Schematics 
Connector End View Reference:Theft Deterrent System Connector End Views 
DEFINITION: The horn does not sound when the CTD system is in alarm mode.

1

Did you perform A Diagnostic System Check - 
Theft Deterrent?

Go to Step 2

Go to Diagnostic 

System Check - 

Theft Deterrent

Perform one of the following to activate the CTD 
Alarm Mode: 

z

Operate the PANIC button on the keyless 
entry transmitter.  

z

Complete the following steps: 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Theft Deterrent - Hummer H2

  

LIGHTS INOPERATIVE IN CONTENT THEFT DETERRENT (CTD) ALARM MODE 

Lights Inoperative in Content Theft Deterrent (CTD) Alarm Mode 

2

1. Open the driver's window.  

2. Lock the vehicle using the power door 

lock switches.  

3. Wait for the SECURITY telltale to 

turn off.  

4. Reach in and unlock the driver's door. 

5. Open the driver's door.  

 
Do all of the alarm mode functions activate, lights 
flash and horn pulses?

Go to Testing for 

Intermittent Conditions 

and Poor Connections 

in Wiring Systems

Go to Step 3

3

Are only the horns inoperative?

Go to Step 4

Go to Content Theft 

Deterrent (CTD) 

Alarm Mode 

Inoperative

4

Operate the horns from the horn pad. 
Do the horns operate properly?

Go to Step 5

Go to Horns 

Inoperative in 

Horns

5

Test the control circuit of the horn relay for an 
open between the body control module (BCM) and 
the horn relay. Refer to Circuit Testing in Wiring 
Systems. 
Did you find and correct the condition?

Go to Step 8

Go to Step 6

6

Inspect for poor connections at the body control 
module (BCM). Refer to Testing for Intermittent 
Conditions and Poor Connections and 
Connector Repairs in Wiring Systems. 
Did you find and correct the condition?

Go to Step 8

Go to Step 7

7

Replace the BCM. Refer to Body Control 
Module Replacement in Body Control System. 
Did you complete the replacement?

Go to Step 8

-

8

Operate the system in order to verify the repair. 
Did you correct the condition?

System OK

Go to Step 3

Step

Action

Yes

No

Schematic Reference:Theft Deterrent System Schematics 
Connector End View Reference:Theft Deterrent System Connector End Views 
DEFINITION: The vehicle lights do not flash when the CTD system is in alarm mode.

1

Did you perform A Diagnostic 
System Check - Theft Deterrent?

Go to Step 2

Go to Diagnostic System 
Check - Theft Deterrent

Perform one of the following to 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Theft Deterrent - Hummer H2

  

SECURITY INDICATOR ALWAYS ON OR FLASHING 

Security Indicator Always On or Flashing 

2

activate the CTD alarm mode: 

z

Operate the PANIC button on 
the keyless entry transmitter.  

z

Complete the following steps: 

1. Open the driver's 

window.  

2. Lock the vehicle using 

the power door lock 
switch.  

3. Wait for the SECURITY 

telltale to turn off.  

4. Reach in and unlock the 

driver's door.  

5. Open the driver's door.  

 
Do all of the alarm mode functions 
activate, lights flash and horn pulses?

Go to Testing for Intermittent 

Conditions and Poor 

Connections in Wiring Systems

Go to Step 3

3

Are only the parking lamps 
inoperative?

Go to Park, License, and Tail 

Lamps Always On in Lighting 

Systems

Go to Content Theft 

Deterrent (CTD) Alarm 

Mode Inoperative

Step

Action

Yes

No

Schematic Reference:Theft Deterrent System Schematics 
Connector End View Reference:Theft Deterrent System Connector End Views

1

Did you perform the Theft Deterrent 
Diagnostic System Check?

Go to Step 2

Go to Diagnostic 

System Check - 

Theft Deterrent

2

1. Turn ON the ignition with the engine 

OFF.  

2. With the scan tool, command the 

Security indicator ON and OFF.  

Does the Security indicator turn ON and 
OFF with each command?

Go to Testing for Intermittent 

Conditions and Poor 

Connections in Wiring 

Systems

Go to Step 3

3

Replace the Instrument Cluster. Refer to 
Instrument Panel Cluster (IPC) 
Replacement in Instrument Panel, Gauges 
and Console. 
Did you complete the replacement?

Go to Diagnostic System 

Check - Instrument Cluster

-

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Theft Deterrent - Hummer H2

  

SECURITY INDICATOR INOPERATIVE

Security Indicator Inoperative 

REPAIR INSTRUCTIONS 

REPLACING KEYS 

The ignition lock cylinder and keys do not contain any coded electronic components. The lock cylinder housing 
contains the coded electronic components. Changing an ignition lock cylinder or adding a key is a purely 
mechanical process which does not affect the vehicle theft deterrent system. To add a key, simply cut a new key 
to match the existing one. To change the lock cylinder, simply replace the existing lock cylinder with one of the 
same type. 

ADDING KEYS 

The ignition lock cylinder and keys do not contain any coded electronic components. The lock cylinder housing 
contains the coded electronic components. Changing an ignition lock cylinder or adding a key is a purely 
mechanical process which does not affect the vehicle theft deterrent system. To add a key, simply cut a new key 
to match the existing one. To change the lock cylinder, simply replace the existing lock cylinder with one of the 
same type. 

PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS 

Programming Replacement Passlock(tm) Sensor, BCM, or PCM 

Step

Action

Yes

No

Schematic Reference:Theft Deterrent System Schematics 
Connector End View Reference:Theft Deterrent System Connector End Views

1

Did you perform the Theft Deterrent 
Diagnostic System Check?

Go to Step 2

Go to Diagnostic 

System Check - 

Theft Deterrent

2

1. Turn ON the ignition with the engine 

OFF.  

2. With the scan tool, command the 

Security indicator ON and OFF.  

Does the Security indicator turn ON and 
OFF with each command?

Go to Testing for Intermittent 

Conditions and Poor 

Connections in Wiring 

Systems

Go to Step 3

3

Replace the Instrument Cluster. Refer to 
Instrument Panel Cluster (IPC) 
Replacement in Instrument Panel, Gauges 
and Console. 
Did you complete the replacement?

Go to Diagnostic System 

Check - Instrument Cluster

-

IMPORTANT:

z

The body control module (BCM) must be programmed with the proper 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Theft Deterrent - Hummer H2

  

 

 

 

 

 

 

 

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