Banks Power Dodge Trucks: (Diesel ’03 - 07 5.9L Cummins) Tuner- Six-Gun Diesel Tuner, (325 HP Dodge 5.9L Cummins (24-valve) Trucks) '06-07 Compatible with Optional PowerPDA - Manual (Page 31)

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Remove the Six- Gun Diesel Tuner
from its mounting location while
keeping all connectors plugged
in. Turn the vehicle key to the ON
position. Observe the two LEDs
mounted on the end of the Six-Gun
Diesel Tuner, next to the harnesses.
If all wire connections are correct, a
steady GREEN LED is illuminated. If the
GREEN LED is not illuminated when
the ignition is ON, check power supply
hookup and the fuse on the Six-Gun
main wire harness. If the connections
and fuse are okay, contact Banks
Technical Service. If a connection is
incorrect or if there is a problem with
the system, when the ignition is ON
the RED LED will flash in sequence
to identify a diagnostic code. A Six-
Gun Diesel Tuner’s diagnostic code
is comprised of 2 digits. Each code
is expressed in a sequence of 2 sets
of the flashing RED LED separated by
a brief flashing of the GREEN LED in
between. Each set of a number of RED
LED flashes represents a digit. A longer
flashing of the GREEN LED separates
the sequences. The LEDs will continue
to flash to display all the errors,
and then repeat. Table 1 lists the
available diagnostic codes and there
commended course of action for each.
For example, if a faulty thermocouple
is detected (code “2,3”) by the Six-
Gun Diesel Tuner, the following RED
and GREEN LED flashing sequence is
observed when the ignition is ON:
(1) Two times flashing RED LED
(2) One time quick flashing GREEN LED
(3) Three times flashing RED LED
(4) One time longer flashing GREEN
LED. The above flashing sequence
will repeat continuously. When the
problem is corrected, the diagnostic
code will be eliminated and replaced
by a steady GREEN LED.
Note: If multiple codes are set, they
will be displayed in a series separated
by the longer flashing GReeN LeD.
When reading codes, make sure to
watch the entire series until you see
the first code repeat.
Note: the “4,3” code comes on when
the Six-Gun Diesel tuner module is
first installed on a vehicle. to eliminate
this code, follow the instructions
described in “transmission Learning”
(Section 6). If problem persists, contact
Banks technical Service.
If the Six-Gun Diesel Tuner should
ever need to be removed from
the vehicle, all vehicle connectors
must be reconnected to their stock
configuration. Failure to reconnect the
vehicle may result in a “Check Engine”
light on the dash and a Diagnostic
Trouble code being stored in the
factory computer, and the engine may
not start.
-END, SECTION 7-