OD flash,ABS,speedo - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 09-26-2008, 08:19 PM Thread Starter
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OD flash,ABS,speedo

I have had a problem with the OD light flashing speedo not working until 40mph and abs light. I have been reading threads on the subject. They all have ended badly and nobody can figure out. Well I replaced my VSS in the rear end and have not had any of these problems yet. Thoughy I would share.


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post #2 of 2 Old 09-26-2008, 08:26 PM
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When the speedo is not working, when the OD light is flashing and when the ABS light is on. The VSS ( Variable Speed Sensor) on the rear diff is usually the cause.

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