LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> LS 500 F Sport, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (09 Of 14) >> SFI System >> DTC P0606-47: Control Module Processor Watchdog/Safety MCU Failure [12/2017 - 10/2020] >> Monitor Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor Description

The ECM continuously monitors its main CPU and monitor IC. This self-check ensures that the ECM is functioning properly. If outputs from main CPU and monitor IC are different and deviate from the standard, the ECM will illuminate the MIL and store this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0606-47 Control Module Processor Watchdog/Safety MCU Failure ECM main CPU malfunction (1 trip detection logic). ECM Comes on DTC stored SAE: P0606