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sprinkles08, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 21418
Experience:  ASE Master & Advanced level certified, Chrysler Master Certified, Trans and Hybrid Specialist
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2010 town and country: Took it to a dealer with electrical

Customer Question

2010 town and country:
Took it to a dealer with electrical problem, Problem would not duplicate at dealership, They had no clue but rebooted the computer and said hope for the best. No such luck.
The indicator lights across the top of the instrument display light up as they should when first starting up the vehicle, and then shut off.
on occasion while running the lights come on the radio goes off and the speed and tack dro to 0, a chime rings three times and then the wipers take a swipe. this may only happen once or it may repeat for long periods of time. This may happen once a day or multiple times. Its may skip a day a week or a few weeks then it will happen again. ?????
Submitted: 3 months ago.
Category: Chrysler
Expert:  sprinkles08 replied 3 months ago.

Hello and welcome to JustAnswer!

The issue is either going to be a lost power or ground to multiple modules or it could be a bus communication issue. A bus issue is more likely given the symptoms.

All modules on the vehicle communicate over two wired networks. When the instrument cluster doesn't communicate with the TIPM then the lights and wipers will come on for safety. Since the cluster can't communicate then the gauges will drop out and warning lights will come on. It's possible that the problem is just with the cluster itself but you could have a failure in any module or a wiring issue taking communication down.

This is going to require some testing at the time it's happening to determine what is going on. It will need to be determined whether the issue is with the cluster itself or if multiple modules lose communication and then testing will be done from there to see if it's communication bus corruption or if the affected modules are losing power and ground.

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