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Home >> Toyota >> 2017 >> Corolla SE, Standard Trans >> Repair and Diagnosis >> 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 C1AA2: Vehicle Speed Tolerance Malfunction [08/2016 - ] >> Description
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DTC C1AA2: Vehicle Speed Tolerance Malfunction [08/2016 - ]: Description

The forward recognition camera receives vehicle speed tolerance signals from the combination meter assembly. If the combination meter assembly detects a vehicle speed tolerance malfunction signal, it informs the forward recognition camera via CAN communication, and DTC C1AA2 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AA2 Vehicle Speed Tolerance Malfunction 2 seconds after the ignition switch is turned to ON, a signal from the combination meter assembly indicating an abnormal vehicle speed tolerance is detected by the forward recognition camera for 50 seconds or more.
  • Meter/gauge system
  • Combination meter assembly
  • Forward recognition camera
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