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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 standards, the ECM will illuminate the MIL and set a DTC immediately.

DTC TROUBLE DETECTION CONDITION

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