Banks Power Chevy_GMC Trucks: Duramax LB7 (Diesel ’01 - 04 6.6L) Power Systems- PowerPack & Stinger Systems w_ EconoMind (LB7 & LLY) '01-05 (iQ) Compatible with Optional Banks iQ - Manual (Page 31)

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Table 1 Banks EconoMind 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 EconoMind Switch Input Value
Out of Range
Turn ignition OFF and make sure either Banks iQ or EconoMind switch
is connected to EconoMind tuner. If EconoMind 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.