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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 P0607: Control Module Performance [02/2014 - 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
  • 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