LEMON Manuals
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Jaguar
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2014
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XF Base
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Repair and Diagnosis
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General Information
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DTC Index
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Diagnostic Trouble Code: Adaptive Speed Control Module (ASCM) -- XF/X250
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Diagnostic Trouble Code (DTC) Index DTC: Adaptive Speed Control Module (ASCM)
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Description And Operation
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DTC U0401-81: Invalid Data Received From ECM/PCM - Invalid serial data received
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Possible Causes
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Possible Causes
The engine control module has inhibited the adaptive cruise control