Banks Power Chevy_GMC Trucks: Duramax LB7 (Diesel ’01 - 04 6.6L) Tuner- Six-Gun Diesel Tuner w_ optional Speed-Loader Module (LB7 & LLY) '01-05 (iQ) Compatible with Optional Banks iQ - Manual (Page 28)

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96815 v.3.0
table 1 Banks Six-Gun Diagnostic Codes
Code Event Course of Action
1,1
Fuel Rail Pressure (FPR)
Input Voltage Out of Range Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code.
1,2
Manifold Absolute Pressure
(MAP) Input Voltage Out of
Range.
Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn Ignition back ON and re-check for presence of code.
1,3
Six-Gun Switch Input Value
Out of Range
Turn ignition OFF and make sure either Banks iQ or Six-Gun
switch is connected to Six-Gun tuner. If Six-Gun switch is
connected (no Banks iQ), check 2-pin connection on tuner’s
in-cab cable. Turn ignition back ON and re-check for presence
of code.
1,4
(LB7) Barometric Pressure
Input Voltage Out of Range
Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code. (LLY) Barometric Pressure
cAN Signal Not Available
2,1
Fuel Rail Pressure (FPR)
Output voltage Out of
Range.
Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code.
2,2
Manifold Absolute Pressure
(MAP) Output Voltage Out
of Range.
Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code.
2,3
Exhaust Gas Temperature
(EGT) Sensor Open circuit.
Turn ignition OFF and check both thermocouple ring-terminal
connections. Turn ignition back ON and re-check for presence
of code.
2,4
(LB7) OBD Signal
Malfunction Turn ignition OFF and check OBD connector and cable. Turn
ignition back ON and re-check for presence of code.
3,1
crankshaft Position (cKP)
Strand Fault or Internal
Module Malfunction.
Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code.
3,2
Power Up Error or Internal
Module Malfunction Turn ignition OFF and check the 24-Pin and 38 Pin connectors.
Turn ignition back ON and re-check for presence of code.
3,3
Low Battery Voltage
or Internal Module
Malfunction.
Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code.
3,4
cAN communications
Error with Vehicle. Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code.
4,1
Injection control Signal
Fault or Internal Module
Malfunction
Turn ignition OFF and check the 24-Pin and 38-Pin connectors.
Turn ignition back ON and re-check for presence of code.
4,2
Transmission slippage
Detected Transmission is slipping excessively. Code will automatically
clear once transmission stops slipping (repaired).
5,1
Internal Module
Malfunction Turn ignition off. Turn ignition back ON and re-check for
presence of code.
If problem persists, call Gale Banks Engineering Tech Support.