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Home >> Toyota >> 2010 >> Prius Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control (SFI) System (Diagnostic Codes (P0300-P106A)) (Except PHV) >> SFI System >> DTC P0607: Control Module Performance >> 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. DTC Detection Condition Trouble Area
P0607
  • ECM CPUs malfunction
  • Heated oxygen sensor transistor (built into the ECM) malfunctions
  • ECM
  • Heated oxygen sensor
  • Exhaust gas leak
For Mexico models:
ECM CPU error
  • ECM
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