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john -aka eauto
john -aka eauto, The Car Guy
Category: Chrysler
Satisfied Customers: 15368
Experience:  15 years as a auto tech ASE certified
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2008 Chrysler Aspen. 5.7L. All warning lights come on, tach

Customer Question

2008 Chrysler Aspen. 5.7L. All warning lights come on, tach and speedometer quit, all at same time. Engine keeps running air still works. Turn signals will not work. As you keep driving the warning lights go out speedometer and tach start working. Everything is back to normal. If you stop the engine while eveything is screwey it will not start. The starter will not engage. I have checked for loose connections. I am an electronics tech by trade but I do not know these newer cars. The first thing I thought of was maybe a bad ignition switch. These newer cars probably don't have one of these on the steering colum
Submitted: 7 months ago.
Category: Chrysler
Expert:  john -aka eauto replied 7 months ago.

have you checked charging voltage?

Customer: replied 7 months ago.
Charging voltage is 14.1vdc
Expert:  john -aka eauto replied 7 months ago.

likley a bcm issue..can you perform a module reset?

Customer: replied 7 months ago.
what is a bcm and where is it and how do you reset it? 2008 Chrysler Aspen 5.7L
Expert:  john -aka eauto replied 7 months ago.

body control module

Customer: replied 7 months ago.
cute. How is it reset. Do you have to have a diagnostic computer?
Expert:  john -aka eauto replied 7 months ago.

if you dont pull the positive and negative battery cable off the battery and touch the 2 terminals together for 45 seconds..that will reset all modules

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