P0602

DTC P0602 Control Module Not Programmed

Circuit Description

The electrically erasable & programmable read only memory (EEPROM) memorizes fuel injector flow rate information. If the ECM detects an error in the programmed fuel injector flow rates this DTC will set.

Condition for Running the DTC

^ The ignition switch is ON.

Condition for Setting the DTC

^ The ECM detects an error in the programmed fuel injector flow rate.

Action Taken When the DTC Sets

^ The ECM illuminates the MIL when the diagnostic runs and fails. Refer to DTC Type Definitions for Action Taken When the DTC Sets - Type A.
^ The ECM limits fuel injection quantity.
^ The ECM inhibits EGR control.
^ The ECM inhibits DPF regeneration control.
^ The ECM inhibits cruise control.

Condition for Clearing the DTC

^ Refer to DTC Type Definitions for Condition for Clearing the MIL/DTC - Type A.

Circuit/System Testing DTC P0602