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Home >> Toyota >> 2012 >> Prius Three >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Except Plug-In) (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1A20: Object Recognition ECU >> Description
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DTC C1A20: Object Recognition ECU: Description

for Lane keeping Assist System

When the driving support ECU receives information that there is a malfunction in the lane recognition camera sensor assembly, DTC C1A20 is stored.

DTC No. DTC Detection Condition Trouble Area
C1A20 When the vehicle speed is 50 km/h (30 mph) or more with lane keeping assist switch on, the driving support ECU receives information that there is a malfunction in the lane recognition camera sensor assembly for 1 second or more
  • Lane recognition camera sensor assembly
  • Driving support ECU