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2020
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Eclipse Cross ES, AWD
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Repair and Diagnosis (Single Page)
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Accessories & Equipment
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Cruise Control Systems
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Adaptive Cruise Control (Acc) - (With Diagnostics)
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Diagnostic Trouble Code Procedures
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DTC C1809: ACC/FCM Temporary not Available
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Diagnostic Trouble Code Set Condition
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Diagnostic Trouble Code Set Condition
Check Condition
Ignition switch is "ON" position.
Judgment Criterion
External factors such as external noises are detected, which hinder the ACC/FCM radar performance.