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trailer brake controller

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Old Aug 18, 2025 | 06:18 PM
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coolshark5's Avatar
coolshark5
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Exclamation trailer brake controller
posting to see if someone could help guide me on activating trailer brake module. I bought one for my 19 f250 and installed it, ran forscan and turned on trailer brake module setting but when i try to enable trailer brake gain setting it give me the error writing blocks failed. Trailer disconnected warning comes on dash now and settings for trailer, also gain switch is working manually but it continues to show trailer disconnected even when its connected. if anyone can help that would be great.
 
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Old Aug 18, 2025 | 10:20 PM
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longhaultransport
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Is the controller the correct part number for your vehicle?

Is it an OEM genuine Ford part?

Lots of counterfeit parts on the market.



 
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