Chrysler Pacifica '05 Electrical system goes haywire?

Question

First symptom was the cruise control failed to work. Later the headlights went out. Made it home through well lit neighborhood and discovered that the driver's window would not roll up. The horn doesn't work. And once the transmission was in park, it wouldn't select neutral, reverse, or drive again. The radio was playing, but after turning the car off and starting up again the radio won't work. The brake lights and turn signals still work as of this moment. This is so strange I don't know what to think of it. 

Web searches indicate that the problem is not unusual and it might be the BCU. Just wondering if this is a plug 'n play replacement or is a tow to the dealer the way to go.

Suggestions? Thanx

helpful bob · Accepted Answer

It sounds like the module issue and since the same module is involved in the security and alarm factory features the dealership will probably need to reprogram the module once it's replaced.If you look online there are some automotive control module re-builder companies that offer that module for about 400 bucks and they say it's pre-programmed according to your vehicles Vin numbers.They maybe able to sell a BCM=BCU that will only require the basic installation.


 Hope that helps and best of luck.

meraz · Answer

Belt dressing would not restore some thing. It purely quickly hides a project. It coud be the belt is free or the tensioner pulley is undesirable and if it really is an automatic tensioner (spring loaded), it could be the tensioner spring. If there is not any computerized tensioner, purely attempt adjusting the belt. If it would not bypass away, eliminate the belt and see if the tensioner pulley spins freely and don't have any play (wobble). If a belt has no cracks, the belt is frequently nice. A belt it really is so dry that it slips will purely about consistently have cracks.

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Chrysler Pacifica '05 Electrical system goes haywire?

2 Answers