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Home >> Lexus >> 2018 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Lane Keep Assist / Lane Departure Assist System (Diagnostic Codes & Circuit Tests) >> LKA/LDA System >> DTC C1A50: Brake System Malfunction [10/2015 - 08/2018] >> Description

DTC C1A50: Brake System Malfunction [10/2015 - 08/2018]: Description

The forward recognition camera receives electronically controlled brake system control signals from the skid control ECU assembly. If the forward recognition camera receives a malfunction signal from the electronically controlled brake system, DTC C1A50 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A50 Brake System Malfunction 2 seconds after the power switch is turned on (IG), a signal from the skid control ECU assembly indicating a electronically controlled brake system malfunction is detected by the forward recognition camera for 5 seconds or more.
  • Electronically controlled brake system
  • Skid control ECU assembly
  • Forward recognition camera