2010 Lexus LX 570FACTORY OEM SERVICE PROCEDURE

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 No. DTC Detection Condition Trouble Area
P0607
  • ECM CPUs malfunction
  • Heated oxygen sensor transistor (built into the ECM) malfunctions
  • Heated oxygen sensor
  • Exhaust gas leak
  • ECM
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.