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Home >> Toyota >> 2025 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (5 Of 9) >> SFI System >> DTC P0606-09: Control Module Processor (Brake Override System Output Signal) Component Failure [02/2024 - ] >> Description
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DTC P0606-09: Control Module Processor (Brake Override System Output Signal) Component Failure [02/2024 - ]: Description

The ECM calculates and compares the accelerator opening angle command value used for control and the value used for monitoring, after corrected by the brake override system.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P0606-09 Control Module Processor (Brake Override System Output Signal) Component Failure Diagnostic condition:
When all of the following conditions are completed for approx. 12 seconds or longer
  • Accelerator opening 56.542° or more
  • STP signal is turned ON
  • Vehicle speed is over 40 km/h (24.9 mph)
  • Accelerator opening rate is not abnormal
  • STP is not abnormal
  • Wheel speed is not abnormal

Abnormal condition:
  • The accelerator opening command value after correction of the brake override system for control is excessively output more than the accelerator opening command value after correction of the monitoring brake override system.

Abnormal period:
  • More than 1 second

Number of trips:
  • 1 trip

Detection method:
  • Constant monitor

Sensors/component parts used for detection:
  • Accelerator pedal sensor assembly
  • Stop light switch assembly
  • Speed sensor
ECM Comes on Engine A SAE: P0606