LEMON Manuals
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2021
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G80 2.5T Advanced, AWD
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System Diagnosis - 2.5L (6 Of 6)
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DTC U012D-F1: Lost Communication With Generator Control Module
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DTC Information And Inspection
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DTC Description
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DTC Description
The ECM sets a DTC U012DF1 when it detects an LIN communication error between ECM and alternator.