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sprinkles08, Chrysler/Dodge/Jeep master tech
Category: Dodge
Satisfied Customers: 21413
Experience:  ASE Master and Advanced Certified, Chrysler/Dodge/Jeep Master Certified, Trans and Hybrid Specialist
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Dodge Caravan SE The battery light is coming on. The car

Resolved Question:

The battery light is coming on. The car starts and runs
Submitted: 5 years ago.
Category: Dodge
Expert:  sprinkles08 replied 5 years ago.

Hello and welcome to JustAnswer!


The battery light comes on when the battery is either overcharging or undercharging. usually it's because it's undercharging due to a bad alternator.


Possible causes for the light would be the powertrain control module (PCM), wiring, the alternator, battery, or connections. Some electrical testing will need to be done to determine what is happening. You may also be able to remove the alternator and have it tested at a parts store, but if it tests ok it could still have an intermittent problem and still need to be replaced. Most likely the alternator is what is causing the light to come on.

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