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Home >> Lexus >> 2011 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0171-P0607) >> SFI System >> DTC P0607: Control Module Performance >> Monitor Description
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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 When one of the following conditions is met:
  • ECM CPUs malfunction
  • Heated oxygen transistors built into ECM malfunctions
  • Exhaust gas leak
  • Heated oxygen sensor
  • ECM