
2. SERVICE OPERATIONS
When carr yin g ou t any serv ice p rocedu r e on th e v ehicle that involv es disco nn ectin g t he b att ery cable s o r
any procedure that may cause the battery voltage to fall below 12 Volts, the telematics module Service
Mode MUST BE ENABLED. Refer to 4.3 TECH 2 TEST MODES F4: Program, F2 Operating Mode,
F1: Service Mode in Section 12Q Telematics of the VX Series Service Information.
If the telematics module service mode is not enabled, a “Batter y Remov al Alert” will be tr ansmitted to the
Holden Assist Centre whenever the battery is disconnected, or a “Low Battery Voltage Alert” when the
battery voltage is low.
2.1 TELEMATICS MODULE ASSEMBLY
REMOVE
1. Using Tech 2, enable the telematics module
service mode. Refer to 4.3 TECH 2 TEST
MODES F4: Program, F2: Operating Mode,
F1: Service M ode in S ec tio n 12Q Telematic s of
the VX Series Service Information.
2. Disconnect the negative battery cable from the
battery.
3. Remove the left side rear compartment
wheelhouse carpet, refer to Section 1A1
BODY in this Service Information.
4. Remove the subwoofer amplifier refer
Section 12D in this Ser v ic e Information.
5. Disconnect telematics module harness
connector (5), GPS antenna connector (3),
GSM antenna connector (4), and the backup
battery harness connector (6).
6. Remove the backup battery harness retaining
clip (7) from the mounting bracket.
7. Loosen the four telematics module assembly
retaining screws (1).
8. Slide the contr ol module u pward to re lease the
screw heads from the slots in the side inner
panel and remove telematics module
assembly.
Figure 12Q-3
REINST ALL
1. Reverse of the removal, noting the following.
2. Tighten the telematics module assembly
retaining screws to the correct torque
specification.
TELEMATICS MODULE ASSEMBLY
RETAINING SCREWS 3 – 3.5 Nm
TORQUE SPECIFICATION
3. Use Tech 2 to disable the telematics module
Service Mode. Refer to 4.3 TECH 2 TEST
MODES F4: Program, F2: Operating Mode,
F1: Service M ode in S ec tio n 12Q Telematic s of
the VX Series Service Information.
NOTE: If the telematics module service mode is
not disabled, the system will not have full
functionality.