Q — I would rather not mount the LCD to my dash. What are my options?
A — It is advisable to make every effort to utilize the LCD, however, the LCD does not
need to be connected to the Transfer Flow system if not desired. In fact, the removal of the
LCD does not affect the Transfer Flow system in the least. However, two things need to be
kept in mind. First of all, you will not be able to see the individual gallons in each fuel tank.
Second, in the unlikely event you experience a malfunction, it will be difficult to track down
the source of the problem. If you do decide to remove the LCD, keep it handy.
Main sender ground MSG One
Main sender open MSO Two
Auxiliary sender ground ASG ree
Auxiliary sender open ASO Four
No flow problem NO FLOW Five
Trax-UFS Code Descriptions
If there is a problem with either the OEM tank or the auxiliary tank, a red
light will blink on the computer control module. A message will also ap
-
pear on the LCD.
MSG (one blink) — e Main Sender Ground DTC is set when the resistance from the
main sender drops below a predetermined set point, approaching ground. is condition
could be caused by the sending unit going bad or a wire rubbing against ground.
MSO (two blinks) — e Main Sender Open DTC is set when the main sender resistance
rises above a predetermined set point, toward open. is condition could be caused by
the resistance wire eroding or a wire getting broken.
ASG (three blinks) and ASO (four blinks) — e Auxiliary Sender Ground and
Auxiliary Sender Open DTCs are set the same way as the OEM, but can have different
predetermined set points.
NO FLOW (five blinks) — e No Flow DTC is set when the auxiliary pump is on,
and after a set amount of time, the fuel level in the auxiliary tank does not drop by a
set amount of gallons. A kinked line, a bad pump, or a broken connection could cause
this condition.
FIGURE 3
Problem Code Number of blinks
Page 4
the Transfer Flow tank. When your OEM fuel selecting switch is on the OEM tank to which
the Transfer Flow tank is connected, the OEM fuel gauge will display the combined total of
the OEM tank and the Transfer Flow tank. When you switch the OEM fuel selecting switch
to the other OEM tank, the OEM fuel gauge will read that tank only. e LCD will still read
the gallons in the main tank and the auxiliary tank.
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