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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Restraints >> Seat Belts >> Pre-Collision System - Diagnostic Codes & Circuit Tests - (Hybrid) >> Pre-Collision System >> DTC C1A50: Brake System Malfunction [10/2015 - ] >> Description

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

When the pre-collision system is operating, the driving support ECU assembly sends brake control signals to the skid control ECU (brake booster with master cylinder assembly).

When the driving support ECU assembly receives a electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) via CAN communication, DTC C1A50 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A50 Brake System Malfunction While the power switch is on (IG), the driving support ECU assembly receives a electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for 0.3 seconds or more.
  • Electronically controlled brake system
  • Skid control ECU (Brake booster with master cylinder assembly)
  • Driving support ECU assembly