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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Control System - Diagnostic Codes (4 Of 6)) >> SFI System >> DTC P060A-47: Internal Control Module Monitoring Processor Performance Watchdog/Safety MCU Failure [12/2023 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

The main CPU and sub CPU of the ECM perform data communication between each other. The main CPU monitors the communications and WDC pulses from the sub CPU. When the signal malfunctions below are detected, this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P060A-47 Internal Control Module Monitoring Processor Performance Watchdog/Safety MCU Failure A CPU reset is performed after one of the following conditions is met (1 trip detection logic):
  • There is an ECM main CPU error.
  • There is an ECM sub CPU error.
  • There is an electronic throttle monitoring CPU error.
ECM Comes on Engine A SAE Code: P060A