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Home >> Lexus >> 2009 >> LX 570 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (Diagnostic Codes (P0455-P2A00) & Circuit Tests) >> SFI System >> DTC P0607: Control Module Performance >> Description
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DTC P0607: Control Module Performance: Description

The ECM continuously monitors its internal processors (CPUs) and heated oxygen sensor (HO2S) transistors. This self-check ensures that the ECM is functioning properly.

DTC Code DTC Detection Condition Trouble Area
P0607
  • The ECM CPUs malfunction.
  • The HO2S transistors malfunction.
  • Exhaust gas leak
  • HO2S
  • ECM
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