Banks Power Dodge Trucks: (Diesel ’98 - 02 5.9L Cummins ISB) Tuner- Big Hoss Diesel Tuner (does not connect to pump wire) - Manual (Page 14)

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96766 v.8.0
A Big Hoss 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 some
common diagnostic codes.
For example, if an open EGT
thermocouple is detected (code 2-3)
by the Big Hoss, 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 diagnostic code will be
eliminated and replaced by a steady
green light. If problem persists, contact
Banks Technical Service.
Table 1: Banks Big Hoss
® Diagnostic Codes
Diagnostic
Code
Code Description Course of Action
1-2 Faulty MAP signal check MAP connection
2-2 Faulty MAP signal
check MAP connection and call
Banks Technical Service
2-3 Open EGT thermocouple check EGT thermocouple connection
2-4 Transmission torque converter check torque converter connection
3-3 Big Hoss internal error call Banks Technical Service
3-4 communication Error check cAN Bus connection