Author Topic: What does "no bu5" mean?  (Read 1906 times)

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Offline gphammer

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What does "no bu5" mean?
« on: August 30, 2004, 09:23:03 PM »
I've got a 2001 Ram 1500 with 101000 miles, runs good , but all of a sudden the gauges stopped working and "no bu5' showed up in odometer window. Truck still runs. Had scan done and was told there were no codes. Called dealer and their resdponse was "sounds like the battery" yea I got confidence in them!!!!!!!! Anybody got any ideas where I can start Checking. Have checked fuses and battery.


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    Offline mrpeal

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    Re:What does "no bu5" mean?
    « Reply #1 on: August 30, 2004, 10:55:42 PM »
    what no bu5 means is no bus, which means no serial bus and the bus is the line of which data is transfered between computers, there is a few things that can cause this. mainly being connections but sometimes the engine control module will loose its memory(sets a code normally) but the computer has a vin number stored in memory, it can lose that and will give you a no bus message in the odometer area. only way to fix is have the computer flashed by someone witha drb3 or go to the dealer and have them reflash the pcm. good luck
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