Anyone have this happen before

rev44 · January 20, 2020

Got in my 2019 trailboss and started driving. Started going down a hill and every light on the dash came up and I lost my brakes. Got it to stop. Shut truck off a couple times and finally brakes came back but the engine light is still on.

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OnTheReel · January 20, 2020

Rocz3cqg · January 20, 2020

1 hour ago, rev44 said:

Got in my 2019 trailboss and started driving. Started going down a hill and every light on the dash came up and I lost my brakes. Got it to stop. Shut truck off a couple times and finally brakes came back but the engine light is still on.

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You may have other issues but the first thing to do is to ensure you have every single TSB and Recall completed on your vehicle. So visit the dealer and have him crank up the GDS2 unit.