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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

U1900 code

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Old Feb 2, 2012 | 11:47 PM
  #1  
mikeskull's Avatar
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From: Las Vegas NV
Default U1900 code

So I getting a U1900 code. The scan tool I used, said the top 3 reasons for this code are.

#1 Anti Thift Relay
#2 ABS Control Module
#3 PCM

Has anyone ran into this problem before? Does anyone know where to find the Anti Thift Relay or have a diagram for it?
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Old Feb 3, 2012 | 08:46 AM
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LSUman's Avatar
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From: Louisiana
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I know there is some relays in the passenger side kick panel. Use the manuel and find fuse box in it and it has all the fuses and relays numbered
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