Radio, clock, door locks, interior lights and power windows quit working

2005 DODGE CARAVAN
225,000 MILES • 2WD • AUTOMATIC
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MARY ROSS
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This has happened within the past few months the radio and clock quit working. then the power door locks quit working with the key fob. then with the door lock/unlock switch (unless van is running). can't open lift gate unless van is running, no interior lights work unless the van is running and shut off immediately when van is turned off. Driver/passenger power windows won't go up or down. Are these all fuse issues? If so which fuses? If window motors and/or regulators need replacing, approximately how much will that cost? Thanks!
Nov 10, 2020 at 9:09 PM
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KASEKENNY
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Assuming these items are all related the most likely cause is the integrated power module which powers all these items. So let's not treat these as related at this point and just fix one of them and if that fixes the rest then great. If not, we will have to move on.

To do this we need to test power at the radio on the B+ circuit and if there is no power we need to go to the IPM and test fuse 14. If the fuse is ok we need to replace the IPM.

If this proves out then it is not that expensive to have it replaced as it is pretty easy to remove and install. I attached the instructions if you want to attempt it. Let me know if you have questions. Thanks
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Nov 11, 2020 at 7:33 AM
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MARY ROSS
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Thank you KASEKENNY1. We'll give it a try.
Nov 11, 2020 at 9:53 AM
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KASEKENNY
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Sounds great. Let us know what happens. Thanks for using 2CarPros.
Nov 11, 2020 at 10:20 AM