CherokeeForbyer

driving home and lost all gauges and where the odo is says "no bus" tried disconnecting the battery to resetr the computer but no luck. pluged in a scan tool and it cant find the computer to read anything..... any help would be great

lambo

"no buS" means that your insturment cluster is not communicating with the onboard computer. Your cars have a "data bus" the same as a personal computer. It is basically just part of the computers wiring system. Try checking plug in connectors in your wiring system. This could possibly be somewhere besides behind the instrument cluster, such as at the computer. Another thing to check is the ground system. I don't know about your particular vehicle, but I have found a few vehicles with a loose ground wire, which was driving the instruments crazy. In those cases, there was a ground wire with a metal grommet attached to the metal body or dash structure somewhere under the dash. I have found on some vehicles it is attached on the left side under the edge of the dash right above the emergency brake pedal. I hope this helps. Let me know if you have any luck.

CherokeeForbyer

ok thanks i will give it a try and see what i find

tjwalker

Generally two types of NO BUS on the 00-01

1. NO BUS and the engine doesn't run. Usually a shorted engine management sensor and the crank sensor is that culprit 95% of the time

2. NO BUS and the engine runs fine, but NO BUS appears on dash and can't communicate with the computer.

Yours sounds like #2. Refreshing grounds never a bad idea. I would recommend pulling the cluster, cleaning the connector thoroughly with a few sprays of electrical contact cleaner, adding a dab of dielectric grease and reconnect. This fix has been posted on this forum and others a few times and is the first thing to try.

CherokeeForbyer

yea mine is the second one. it runs just fine...

DoJo

I had the same problem - check fuse 11 mine was blown....

DoJo

CherokeeForbyer

what is fuse 11???

so i went to start it up without doing anything and everything worked just fine... uhh weird...

Crazyfox

Try tapping the dash. Worked for me

tjwalker

The fact that it is intermittent indicates that the problem is most likely a connection issue for the CLUSTER.

Time to pull it, clean it, add dielectric grease and reconnect.