Question about 1996 Jeep Grand Cherokee
The diagram in the front of the center counsel that shows a picture of the car and gives you alerts on what is wrong is saying "coolant sensor bad" but i checked the coolant level and it is fine. It is also saying "Rear light failure" but i checked all of the lights in the rear and they are all fine. I just don't understand.
I had the issue with the rear light failure. I was surprised to discover that there were 2 bulbs for each rear light. One I changed the 2nd bulb on the rear lights, the alert went away.
Posted on Dec 18, 2008
Check the center brake light assembly. There are 3 bulbs and if one is out it will give you the bulb out warning. This is frequently missed as if the center bulb is out it is easy to overlook.
Do yourself a favor and replace all 3 when you are there as the dissassembly/assembly is not that easy on 96-98 Grands
Posted on Nov 30, 2008
The rear lamp failure is most likely a bulb somewhere, but there is also a sensor in the hatch area behind a panel between the hatch and spare tire that could be bad.
The "coolant sensor bad" is the sensor in the coolant resivoir that tells you when the level is low. It may be caused by the fluid sloshing around in the tank. The sensor is about $10 at autozone. Not really worth replacing if you check the fluid levels frequently or if you don't mind the annoying beeping. It doesn't have any important function, except it tells you when the resivoir level is low. Hope this helps.
Posted on Dec 23, 2008
Even though the lights work, there coulld be the wrong bulb in the socket.
The info display works on resistance from the bulbs.
Sometimes the info display itself is bad internally.
Posted on Nov 06, 2008
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