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Home >> Toyota >> 2021 >> C-HR Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Lane Departure Alert System - Diagnostic Codes & Circuit Tests) >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC C1AAA: FCM Destination Information Uninitialized [02/2017 - 08/2020] >> Description

DTC C1AAA: FCM Destination Information Uninitialized [02/2017 - 08/2020]: Description

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When the forward recognition camera is replaced with a new one, the new forward recognition camera attempts to store the country specification information received from the main body ECU (multiplex network body ECU). If the forward recognition camera cannot store the country specification information, DTC C1AAA is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AAA FCM Destination Information Uninitialized 2 seconds after the ignition switch is turned to ON, the forward recognition camera cannot store the vehicle specification information.
  • Main body ECU (multiplex network body ECU)
  • Forward recognition camera