2021 Lexus RC F BaseFACTORY OEM SERVICE PROCEDURE

Monitor Description

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

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P0607 Control Module Performance
  • ECM CPUs malfunction.
  • Heated oxygen sensor transistor (built into ECM) malfunction.
  • ECM
  • Heated oxygen sensor (bank 1, 2 sensor 2)
  • Exhaust gas leak
Comes on DTC stored
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.