LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2023 >> RX 500h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (6 Of 9) >> SFI SYSTEM (for 1Motor-HEV Model) >> DTC P0606-49: Control Module Processor Internal Electronic Failure [10/2022 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0606-49: Control Module Processor Internal Electronic Failure [10/2022 - ]: Description

The ECM monitors the ECM internal operation and outputs this DTC when it detects a malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P0606-49 Control Module Processor Internal Electronic Failure Calculation result in ECM differs from expected status continuously for a certain period of time (1 trip detection logic).
  • Mass air flow meter sub-assembly
  • Throttle body with motor assembly
  • No. 2 turbo pressure sensor
  • Intake system
  • Gas leak from exhaust system
  • ECM
Comes on Engine B
  • SAE: P0606
  • DTC for Mexico Models: Applies