Mike's Workshop Manuals
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2021
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Telluride EX, FWD
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Repair and Diagnosis
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Engine Performance
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Engine Control System Diagnosis (7 Of 7)
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DTC U042B-00: CAN Communication Failure With Hill Assist Module
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DTC Information
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DTC Description
DTC Description
The ECM sets U042B00 when it detects CAN communication failure with HECU.