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Home >> Toyota >> 2017 >> Corolla L >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Circuit Tests (Model Code: ZRE172) >> LANE DEPARTURE ALERT SYSTEM (W/ Steering Control) >> DTC C1A01: Driving Support ECU [08/2016 - ] >> Description
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DTC C1A01: Driving Support ECU [08/2016 - ]: Description

If the forward recognition camera detects a malfunction in the internal circuit of the driving support ECU assembly, DTC C1A01 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A01 Driving Support ECU 2 seconds after the ignition switch is turned to ON, a malfunction in the driving support ECU assembly internal circuit is detected for 5 seconds or more.
  • Driving support ECU assembly
  • Forward recognition camera
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