06/27/2016

122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD

f546399

1. Splice Pack
2. Passenger-Side Tread Plate
Fig. 11, Splice Pack Located Behind Passenger-Side
Kick Panel

5.3

Remove the terminal lock from the splice pack. See Fig. 12.

06/17/2016

f546396

Fig. 12, Terminal Lock Removed from the Splice Pack

Pages

Freightliner Service Bulletin, June 2016

54-264

Cascadia Virtual Technician Retrofit
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional

5.4

Century Class Conventional
Argosy COE
Cargo
Columbia

Freightliner
Service Bulletin

122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD

Install the yellow and green wires in the splice pack, making sure the green wire is inserted in the
row with green wires (cavities G - M) and the yellow wire is inserted in the row with yellow wires
(cavities A - F). The wires should be directly above/below each other. See Fig. 13.

06/17/2016

f546395

A. Wires are installed directly above/below each other

in the applicable rows.
Fig. 13, Yellow and Green Wires Installed in the Splice
Pack

5.5
6.

Install the terminal lock on the J1939 splice pack.

Install the ignition and ground wires.
6.1

Locate circuit 81 C and the ground splice packs. See Fig. 14 . The Splice packs are located behind
the auxiliary instrument panel.

Freightliner Service Bulletin. June 2016

Page9

54-264
Freightliner
Service Bulletin

Cascadia Virtual Technician Retrofit
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional

06/15/2016

Century Class Conventional
Argosy COE
Cargo
Columbia

122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD

f546380

1. Splice Pack
Fig. 14, Splice Pack Located Behind the Auxiliary
Instrument Panel

7.

6.2

Remove the ground and ignition splice pack lock and insert the wires as follows.

6.3

Insert the pink ignition wire in the ignition (81 C) splice pack. Use any available cavity.

6.4

Insert the black ground wire in the ground splice pack. Use any available cavity.

6.5

Install the retainers in the splice packs.

Install the Virtual Technician HU.

7.1

Record the GPS ID from the label on the back side of the new Virtual Technician HU.

7.2

Affix two strips of hook and loop tape on the back of the VT box. Remove the protective film from
the adhesive, and press the VT box firmly to the top of the HVAC ducting, making sure that he
connectors are facing out.

7.3

Connect the 4-pin connector to the VT HU.

7.4

Connect the 10-pin connector to the VT HU.

NOTE: Two interlocked tie straps are required to wrap around the HVAC ducting and the Virtual
Technician HU box.
7.5

Page 10

Secure the Virtual Technician HU to the HVAC ducting with two interlocked tie straps. Tighten them
securely. See Fig. 15.

Freightliner Service Bulletin, June 2016

54-264

Cascadia Virtual Technician Retrofit
Century Class Conventional
Argosy COE
Cargo
Columbia

FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional

Freightliner
Service Bulletin

122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD

f546383

06/15/2016

Fig. 15, Virtual Technician Secured with Tie Straps

8.

Verify the installation of the Virtual Technician HU.

8.1

Connect the batteries.

8.2

If no LEDs light up with the ignition ON, diagnose supplied power and ground to the unit. See Fig.
16 and Table 2. There are five LEDs visible on the VT module.

Name

Color

Datalink1

Red

Datalink2

Red and
Green

Diagnostic LEDs
Function
Red Flash (1 Hz): J 1708
connectivity (disabled). No
J 1708 activity detected
(device is awake). Device is
not wired for J1708
connectivity.
Red Flash (1 Hz): J 1939
connectivity. No J1939
activity detected (device is
awake).
Green Flash (1 Hz): J1939
activity detected (device is
awake).

Freightliner Service Bulletin. June 2016

Action

Red is the normal and
expected state.

Green flash is expected, if
LED is flashing red
diagnose J1939
connectivity issue at the
terminals.

Page 11

54-264

Cascadia Virtual Technician Retrofit

Freightliner
Service Bulletin

FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional

Name

Century Class Conventional
Argosy COE
Cargo
Columbia

Diagnostic LEDs
Function
Solid: GPS connection
successful.

Color

One Flash: Initializing.

Cellular

Amber

Two Flashes: Acquiring
time zone information.
Three Flashes: Attempting
to make a GPS connection.
Solid: Satellites acquired.

GPS

Green or
Amber*

One Flash at 1 Hz:
Acquiring satellites.
Solid: Engine running.
One Flash at 1 Hz: Engine
not running; no data to
send.

Status

Green
Two Flashes at 1 Hz: Data
is available to be sent.

122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD

Action

Solid is expected - if
otherwise call the Customer
Support Center for further
instruction.
NOTE: The VT must be in
a network service area.

Refer to J1939 Fault codes
if a problem is suspected.

Refer to J1939 Fault codes
if a problem is suspected.

Four Flashes at 1 Hz: GPS
storage log is full.
• Lamp is colored green when an external GPS antenna is used. The lamp is amber when the unit is using the
internal GPS antenna.

Table 2, Diagnostic LEDs

8.3

Install the driver instrument panel, and the auxiliary instrument panel, the lower center cover, and the
passenger-side lower kick panel. Refer to Section 60.06 in the Cascadia Workshop Manual for
instructions.

DATALINK1
DATALINK2

[~_
03/18/2014

1546075

Fig. 16, Virtual Technician HU LEDs

8.4

Page 12

Start the vehicle and drive to an open area, at least 40 feet (12 meters) away from any buildings.
Park the vehicle and keep the ignition in the ON position. Apply the parking brake.

Freightliner Service Bulletin, June 2016

54-264

Cascadia Virtual Technician Retrofit
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional

8.5

Century Class Conventional
Argosy COE
Cargo
Columbia

122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD

Freightliner
Service Bulletin

Call the Detroit Customer Support Center. Make sure to have the vehicle serial number and the
Virtual Technician GPS ID number available so that the new VT can be registered.

Warranty
This is an informational bulletin only. Warranty does not apply.

Freightliner Service Bulletin. June 2016

Page 13