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2016
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Cascada Base
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Repair and Diagnosis (Single Page)
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Charging Systems
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Battery, Charging System And Starting System
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Diagnostic Information and Procedures
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DTC B1390: Control Module Supply Circuit 1
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Diagnostic Aids
Diagnostic Aids
A high or low voltage DTC set or voltage value in multiple modules/sensors indicates a concern in the charging system.
A possible cause of this DTC could be overcharging with a battery charger or jump starting.