LEMON Manuals
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2017
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Optima Plug-In Hybrid EX
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnosis (3 Of 3) (PHEV)
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DTC U1004-00: Lost Communication With Hybrid Powertrain Control Module (H-CAN)
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DTC Information
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DTC Description
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DTC Description
The PCM sets DTC U100400 if no message received from HCU.