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Home >> Lexus >> 2017 >> CT 200h Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (2 Of 3) >> SFI System >> DTC P0607: Control Module Performance [08/2014 - ] >> Monitor Description

Monitor Description

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

DTC No. DTC Detection Condition Trouble Area
P0607 Either condition is met (1 trip detection logic):
  • ECM CPUs malfunction
  • Heated oxygen sensor transistor (built into the ECM) malfunctions
  • ECM
  • Heated oxygen sensor (sensor 2)
  • Exhaust gas leak