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Posts Tagged: caravan overcharging

Caravan Overcharging

Caravan Overcharging — Diagnose and fix Shops are reporting a common problem with a Dodge caravan overcharging issue. When it happens, you’ll see charging voltages in the 15 to almost 17-volt range. That’s high enough to boil the water out of the battery and damage electronics in the vehicle so you must correct it ASAP. You may also see a P0563 System Voltage High trouble code. How the Caravan charging system works The voltage regulator on these vehicles is built into the PCM. The PCM regulates field current by pulse … Read More


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