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Home >> Toyota >> 2014 >> Highlander XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 96 (SFI System [2GR-FXE] - Diagnostic Codes - (Hybrid) (1 Of 3)) >> SFI System >> DTC P0606: ECM / PCM Processor [02/2014 - 11/2015] >> Monitor Description

Monitor Description

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

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P0606 ECM / PCM Processor An ECM main CPU error (1 trip detection logic). ECM Comes on DTC stored