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Home >> Toyota >> 2016 >> Highlander XLE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Lane Departure Alert System - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> Lane Departure Alert System >> DTC C1AA1: FCM Destination Information Unmatched [12/2013 - 11/2016] >> Description

DTC C1AA1: FCM Destination Information Unmatched [12/2013 - 11/2016]: Description

When the lane departure warning camera is replaced with a new one, it acquires the country specification information from the main body ECU (multiplex network body ECU). When the country specification information in the lane departure warning camera and main body ECU (multiplex network body ECU) do not match, DTC C1AA1 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AA1 FCM Destination Information Unmatched While the initial check is running with the engine switch on (IG) and the lane departure alert system is operating, country specification information in the lane departure warning camera and main body ECU (multiplex network body ECU) do not match for 3 seconds or more.
  • Lane departure warning camera
  • Main body ECU (multiplex network body ECU)