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Home >> Lexus >> 2022 >> ES 350 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (2GR-FKS) - Diagnostic Codes (07 Of 10) >> SFI System >> DTC P0605-96: Control Module Performance Bank 2 Component Internal Failure; DTC P0607-96: Control Module Performance Bank 1 Component Internal Failure [08/2021 - ] >> 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. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0605-96 Control Module Performance Bank 2 Component Internal Failure Either of the following condition is met (1 trip detection logic):
  • The ECM CPUs malfunction.
  • The heated oxygen sensor transistor (built into the ECM) malfunctions.
  • ECM
  • Heated oxygen sensor (bank 2 sensor 2)
  • Exhaust gas leak
Comes on DTC stored SAE Code: P0607
DTC for Mexico Models:
- Does not apply
P0607-96 Control Module Performance Bank 1 Component Internal Failure Either of the following condition is met (1 trip detection logic):
  • The ECM CPUs malfunction.
  • The heated oxygen sensor transistor (built into the ECM) malfunctions.
  • ECM
  • Heated oxygen sensor (bank 1 sensor 2)
  • Exhaust gas leak
Comes on DTC stored SAE Code: P0607
DTC for Mexico Models:
- Does not apply