Sitting at a light or cruiseing in traffic the car shuts off. But it do fire back up when putting it in park and turing ingnition off. Also give a jerking on the accleration on an occasion.Any suggestions on the problem will be appricated.
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first check to see if brake lights work, because brake light switch will deactivate cruis control when you press brake pedal to slow down stop.if brake light switch okay, dealership has to check out cruise control since pcm and vechicle speed sensor control the cruise control also.
One thing to check is the micro switch on the brake pedal arm, I had the same problem.
For some reason the switch came loose and it wasn't being depressed.
All I had to do is re adjust it so it would depress the plunger on the switch when the brake was not applied and activate the switch when the brake pedal was depressed.
I set it to the sensitive side so when you barley tap the brake pedal it shuts off the cruise control.
Have you recently had any brake work done? I had a 05' freestyle that did the same thing.. when you tap the brake the cruise kicks off right? so if your brake pedal is sticking or not returning fully to the up position, the cruise will immediately kick off like you applied the brake. Check to see if your brake lights are staying on when you release the brake. Let me know what happens, please and good luck.
There are two bolts that need to be removed. You can identify them by the washer sitting underneath them. Remove the plug going into the lamp. Then, pull out (it will probably have to be forceful) the entire casing. You will see a large black ring. Remove this and then you should be able to pull out the light plug. Insert the new bulb and just put everything back together.
You may want to have a mechanic do this, not as easy as replacing an accessory belt. But if you decide to do it you will definitley need a timing light, 3 jaw gear puller, a harmonic balance puller and many other tools most people dont have in their garage