Banks Power Ford Trucks: (Diesel ’08 - 10 6.4L Power Stroke) Tuner- Six-Gun Diesel Tuner & SpeedBrake, For use with Banks iQ '08-10 Compatible with PowerPDA - Manual (Page 28)

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96827 v.6.0
Six-Gun & Brake Troubleshooting
(Using Tuner LEDs).
If you feel that your Brake and/or Six-
Gun Diesel Tuner are not functioning
properly, some diagnostics can be
performed. Your Brake and Six-Gun
Diesel Tuner are equipped with
diagnostic features that will detect
and display certain errors. Remove the
Brake and Six-Gun Diesel Tuner from
there mounting locations while keeping
all connectors plugged in. Turn the
vehicle key to the ON position. Observe
the two LEDs mounted on the Tuner.
• A steady GReeN LeD will illuminate
If all wire connections are correct,
the engine is running and the engine
coolant temperature is within its
normal operating range.
• The GReeN LeD will flash if all wire
connections are correct, the engine
is running, but the engine coolant
temperature is not within its normal
operating range. The GREEN LED will
stop flashing once the engine coolant
temperature is with normal operating
range. Power will not be added if the
coolant temperature is not within its
normal range (not to be confused with
Speed-Loader flash on power up).
• None of the LeDs will illuminate if the
fuse on the Six-Gun wiring harness is
blown or the power supply hook-up is
not properly connected. If the power
connection and fuses are okay, contact
Banks Technical Service.
• The ReD LeD will flash if a connection
is incorrect or if there is a problem
with the system, when the engine
is running. The RED LED will flash in
sequence to identify a particular fault
code. A Six-Gun Diesel Tuner’s fault
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.
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 Six-Gun Tuner fault
codes.
Table 2 lists the Banks Brake fault
codes.
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 key 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 fault code will be
eliminated and replaced with 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.
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