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'05 F-250 - 5.4L -- Speedo Dead

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Old Dec 5, 2008 | 01:11 AM
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'05 F-250 - 5.4L -- Speedo Dead

Buddy of mines truck...

Its a 2005 F-250 with 5.4L, 4x4

Said lately a couple of times his speedo has dropped to ZERO then eventually come back to life...does this sound like a VSS going bad on the rear diff??

He says no other lights have come on.

Thanks,
Casey
 
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Old Dec 5, 2008 | 01:59 AM
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someday
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instrument cluster going out...common problem on 05 and maybe 06...there is a tsb on it
 
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Old Dec 5, 2008 | 02:54 AM
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any link to the tsb?

Thanks for the reply!
 
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Old Dec 5, 2008 | 04:27 AM
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Yes, it does sound like maybe the VSS is going bad.
 
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Old Dec 5, 2008 | 08:41 AM
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https://www.ford-trucks.com/tsb/full...php?tsb=06-7-4

if the abs light would come on then more likely vss...had the same problem...i changed the vss with no change...dealer changed cluster under warranty

u can also search this forum...i have seen repeated posts about this problem and cluster has always been the problem
 
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