Rick's Free Auto Repair Advice

Posts Tagged: Intelligent Power Module

Headlight Problems Chrysler minivan

Fix a headlight problem on a minivan If you have Headlight Problems Chrysler minivan, read this article. They’ve made the system so complicated that in some cases you need a scan tool to find out what’s wrong. Don’t own a $3,000 scan tool? Well, you can still do some of your own diagnostics. But first you have to understand the method behind Chrysler’s madness. It’s like Old Mcdonald’s Farm Chrysler wants every switch to go through a computer. Then one computer talks to another. The first computer is called the … Read More

Power windows don’t work Caravan

My power windows don’t work Caravan If the power windows don’t work along with the radio or blower motor or the problem is intermittent, this may be your fix. Caravan owners may experience a situation where the radio, power windows, blower motor stop working all at the same time. The problem may be continuous or intermittent. Shops are reporting that battery acid is corroding the wiring harness. The Front Control Module (FCM) then senses stray voltage (1-5 volts) and shuts down the accessory relay. Check for corrosion or a short … Read More

Chrysler Electrical Problems

Diagnose and fix Chrysler Electrical Problems If you’ve got Chrysler Electrical Problems, read this. If you turn the key on your Caravan and get crazy unexplainable electrical problems, or multiple electrical problems, head right for the Intelligent Power Module (IPM) located next to the battery. Water intrusion and corrosion in the bottom of this unit is a MAJOR problem with these vehicles. Disconnect the battery terminals and let the system power down for at least five minutes before removing the IPM. Then remove the IPM and check the wiring harness … Read More


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