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sprinkles08
sprinkles08, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 21572
Experience:  ASE Master & Advanced level certified, Chrysler Master Certified, Trans and Hybrid Specialist
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1999 Chrysler Concorde. Gauges going crazy, No Bus message

Customer Question

Customer: 1999 Chrysler Concorde. Gauges going crazy, No Bus message in the odometer. Disconnected battery for reset still no good. Seems to be gradually getting worse (heater blower on off by itself) Am I looking at a computer? Car runs fine.
JA: Thanks. Can you give me any more details about your issue?
Customer: 1999 Chrysler Concorde 3.2L started acting up last week. Check engine light comes on and gauges drop to zero.
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Customer: As long as a get a definitive answer and t stion to bring it to a dealer.
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Submitted: 11 months ago.
Category: Chrysler
Expert:  sprinkles08 replied 11 months ago.

Hello and welcome to JustAnswer!

There are quite a few things that could cause the symptoms you're having. The problem may be in the instrument cluster itself but the PCI communication bus network may be going down. If the circuit shorts to power or ground either in the wiring harness or internally in a module then it will prevent communication.

Do you have access to a scan tool?

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