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Home >> Toyota >> 2019 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 114 (SFI System (2GR-FXS) - Diagnostic Codes - (Hybrid) (2 Of 4)) >> SFI System >> DTC P0607: Control Module Performance [11/2016 - ] >> Monitor Description

Monitor Description

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The ECM continuously monitors its internal processors (CPUs) and heated oxygen sensor transistors. This self-check ensures that the ECM functioning properly.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P0607 Control Module Performance Either of the following conditions is met (1 trip detection logic):
  • ECM CPUs malfunction
  • Heated oxygen sensor transistor (built into ECM) malfunction
  • ECM
  • Heated oxygen sensor (bank 1, 2 sensor 2)
  • Exhaust gas leak
Comes on DTC stored