LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2019 >> Yaris LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Lin Communication System - Diagnostic Codes (2 Of 2) >> Lin Communication System >> DTC P0604-49: Internal Control Module Random Access Memory (RAM) Error internal electronic failure [07/2015 - ] >> Contents
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0604-49: Internal Control Module Random Access Memory (RAM) Error internal electronic failure [07/2015 - ]: Contents

DTC No. Detection Item DTC Detection Condition Warning Indicate Memory Fail-safe Operation Note
P060449 Internal Control Module Random Access Memory (RAM) Error internal electronic failure Power source control (power management control ECU) internal malfunction Not applicable DTC Stored DTC Stored
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
DTC Detection Condition Power source control (power management control ECU) internal malfunction
  • RAM malfunction in power source control (power management control ECU) detected.
Fail-safe Operation Exterior lighting system 
  • When the ignition is switched ON (engine off or on), the headlights LO, TNS (Parking Lights), and panel light turn on and other exterior light controls are stopped.

Interior light control system 
  • Turn the interior light off.
Trouble Area
  • Power source control (power management control ECU) malfunction