LEMON Manuals
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Eclipse Cross ES, AWD
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Adaptive Cruise Control (Acc) - (With Diagnostics)
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Diagnostic Trouble Code Procedures
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DTC U0121: ASC CAN Timeout
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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
The signal sent from the ASC-ECU cannot be received for a certain period.