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Home >> Lexus >> 2022 >> ES 250 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (A25A-FKS) - Diagnostic Codes (09 Of 12) >> SFI System >> DTC P1610-09: Control Module Processor (Brake Override System Input Signal) Component Failure [08/2021 - 09/2022] >> Description
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DTC P1610-09: Control Module Processor (Brake Override System Input Signal) Component Failure [08/2021 - 09/2022]: Description

The ECM monitors for malfunction displays during brake override system input information (stop light switch assembly, speed sensor) malfunctions.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P1610-09 Control Module Processor (Brake Override System Input Signal) Component Failure Any of the following conditions are met (1 trip detection logic).
  • Malfunction in ECM internal RAM for stop light switch assembly
  • When a malfunction in the ECM internal RAM for the speed sensor causes the slowest speed value among the 4 wheels to be 7 km/h (4.3 mph) or less and the second slowest speed value among the 4 wheels to be 40 km/h (24.9 mph) or higher for 5 seconds
ECM Does not come on DTC stored
  • SAE Code: P1610
  • DTC for Mexico Models: Applies