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Eclipse Cross ES, AWD
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Continuously Variable Transaxle (CVT) (With Diagnostics)
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Diagnosis <S-AWC>
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Diagnostic Trouble Code Procedures
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DTC U0121: ASC Time-Out Error
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Operation
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DTC U0121: ASC Time-Out Error: Operation
AWC-ECU communicates with the ASC-ECU via the CAN bus lines.