Bimmerfest - BMW Forums - View Single Post - 2002 E39 ASC BRAKE ABS lights on => Diagnostic Procedure & Parts Location
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Old 06-05-2010, 09:31 AM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
Originally Posted by 540iman View Post
none of us knows for sure what happens if say you let it go for a year and rack up 15,000 miles on car and odometer stays where is is today.
I always wondered about the odometer. Especially since mine quit working (predictably) when I removed the ABS control module from the vehicle for a rebuild.

As you said, nobody knows what happens if the "computers" get so screwed up that they begin to fail due to the conflicting information.

I do know that without the ABS control unit installed, the following score of items will occur:
- Brake/DSC/ABS trifecta solid yellow lights on (any combination possible when in the early stages)
- Service Engine Soon (SES) solid yellow light lit (on the cluster)
- No ABS
- No traction control
- No speedometer
- No odometer
- No tripmeter
- No cruise control
- Diagnostic trouble code DTC P0500
- No possibility of passing (California at least) smog inspections
- No automatic door locks (if set)
- No GPS (if you have navigation)
- No mileage calculations
- No fuel consumption calculations
- No range indications
- No speed-sensitive radio
- No speed-sensitive wipers
- Erratic fuel gauge (especially when near empty)
- Erratic transmission shifting (reputedly but I'm not sure why)

Last edited by bluebee; 06-20-2010 at 10:12 PM.
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