P0606

DTC P0606 Control Module Internal Performance

Circuit Description

This diagnostic applies to internal microprocessor integrity conditions within the ECM.

Condition for Running the DTC

^ The battery voltage is more than 10 volts.

Condition for Setting the DTC

^ The ECM detects a malfunction in its internal main central processing unit (CPU) or sub integrated circuit (IC).

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 inhibits accelerator pedal control.
^ The ECM inhibits EGR control.
^ The ECM inhibits DPF regeneration control.
^ The ECM inhibits cruise control.
^ The ECM inhibits PTO control.

Condition for Clearing the DTC

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

Diagnostic Aids

^ If an intermittent condition is suspected refer to Intermittent Conditions in this section.

Circuit/System Testing DTC P0606