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Home >> Lexus >> 2011 >> GX 460 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0401-P1605)) >> 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 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):
  • There is an ECM CPU malfunction.
  • There is a heated oxygen sensor transistor malfunction.
  • Exhaust gas leak
  • Heated oxygen sensor
  • ECM