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Chevrolet
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2011
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HHR LT, 2.2 W, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Data Communications System
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Diagnostic Information and Procedures
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DTC U0001
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DTC Descriptor
DTC Descriptor
DTC U0001 00
High Speed CAN Communication Bus Malfunction
DTC U0001 04
High Speed CAN Communication Bus - Open Circuit