Need some help guys.....U1064
10-26-2005, 05:10 PM
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Need some help guys.....U1064
My dads truck 99 GMC 2500 6.0L 4wd
Service 4 wheel drive light came on. Code logged was U1064 Loss of BCM/DIM/SBM Communications. Also the 4WD switch is been acting funny. I have heard of the switch being/going bad for the 99 model year. Is this the problem? Thanks!
Service 4 wheel drive light came on. Code logged was U1064 Loss of BCM/DIM/SBM Communications. Also the 4WD switch is been acting funny. I have heard of the switch being/going bad for the 99 model year. Is this the problem? Thanks!
