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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Circuit Tests (Hybrid) >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC C1A01: Driving Support ECU [11/2016 - ] >> Description

DTC C1A01: Driving Support ECU [11/2016 - ]: 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 power switch is turned on (IG), a malfunction in the driving support ECU assembly internal circuit is detected for 5 seconds or more.
  • Driving support ECU assembly
  • Forward recognition camera