Question

[Khalid]

Hi all
I owned f1502021 powreboost
The screen showing

Trailer brake module malfunction every time i start the engine
and left and right signal blinking faster than usual
Thank you all

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[Snakebitten]

There's other threads discussing this. A few fellas discovered it was a faulty brake controller triggering the alert. They didn't have any trailer connected to the truck at the time.

One troubleshooting technique is to simply unplug the module itself and see if the alert ceases to trigger.

 

[Khalid]

Thank you so much i will do that and see?

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