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Home >> Lexus >> 2014 >> IS 250 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (4GR-FSE) - Diagnostic Codes (4 Of 5) >> SFI System >> DTC P0607: Control Module Performance [04/2013 - 08/2015] >> 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 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
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