FixVault

DTC P0606: ECM / PCM Processor: Description

The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and set a DTC immediately.

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0606 When either condition below is met
  • ECM main CPU error
  • ECM sub CPU error
ECM