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Home >> Toyota >> 2021 >> Sequoia TRD Pro >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A69: Brake Control Signal Mismatch [08/2017 - 08/2019] >> Description
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DTC C1A69: Brake Control Signal Mismatch [08/2017 - 08/2019]: Description

The skid control ECU (brake actuator assembly) sends signals to the millimeter wave radar sensor assembly according to the brake control status. If the millimeter wave radar sensor assembly receives a vehicle stability control system malfunction signal from the skid control ECU (brake actuator assembly), it will store DTC C1A64.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A69 Brake Control Signal Mismatch While the ignition switch is ON, the millimeter wave radar sensor assembly receives a vehicle stability control system malfunction signal from the skid control ECU (brake actuator assembly) for 1 second or more.
  • Vehicle stability control system
  • Millimeter wave radar sensor assembly