Question about Jeep Cars & Trucks
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Posted on Jan 02, 2017
12 is a battery disconnect within the last 50 start cycles and 55 means the end of the diagnostic cycle. Basically the computer found nothing wrong. The 12 code may seem incorrect if you haven't disconnected the battery recently, but from my experience the 12 code shows up almost all the time regardless.
Posted on Dec 16, 2008
SOURCE: my 1998 jeep grand cherokee
It is the relay switch but there's a workaround and you don't have to spend 800 bucks plus. You can take down part of the headliner and replace the relay switch or, if you want to avoid spending the money, you can simply disable the sunroof - after all - who uses it? You can a.) pull the headliner driver side to get to the rear relay/motor and reverse polarity (the connector) as long as you have the front top console plug jumpered to open/close the sunroof or b.) get to the rear relay without totally dissaembling your car and replace the relay in about 2 hours and after spending about $180 for the part.
Posted on Jan 11, 2009
Definitely, you'll have to take a look to see if any obstruction is visible. To check the fuses first you'll need to find them. The fuse block cover should illustrate what each fuse is for. You can visibly check the fuses, with a flashlight. Just take a look at the sunroof fuse and check that its not burned. That the metal inside goes from one side to the other and its not burned or broken. You can use a test light or a multimeter, a test-light will do. I usually check them visibly, its obvious when you have a blown fuse just by looking at it. Its better just to pull out the suspected fuse to check it.
Posted on Jun 02, 2009
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