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Home >> Toyota >> 2010 >> FJ Cruiser 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostic Codes (P0340-P1603) >> SFI System >> DTC P0606: ECM / PCM Processor >> Description
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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 standard, the ECM will illuminate the MIL and store DTC(s) immediately.

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