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Recommended Brake Controller for a 2017 Toyota Tundra w/ the Factory Tow Package  

Updated 01/12/2026 | Published 09/04/2024

Question:

Hi, I have a 2017 Toyota Tundra and the factory trailer brake controller does not work. I’m wondering if I can get an aftermarket that plugs into the existing wiring under the dash and will it then bypass the factory one? Thanks for your help.

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Expert Reply:

Yes, you can Dave! The best option to add a brake controller, with a plug in adapter, to your 2017 Toyota Tundra is to use the Redarc Tow-Pro Liberty Brake Controller w/ Custom Harness item # RED72CR.

The Tow-Pro Liberty item # RED72CR is a proportional brake controller that automatically adjusts your trailer's braking based on the deceleration of your Tundra. The Liberty has a unique installation method where the main unit is concealed behind your dash and the only part visible is the control knob.

The included adapter will connect directly to the plug underneath your Tundra's dash and give you an easy install.

I recommend adding the Mounting Panel for Redarc Tow-Pro Trailer Brake Controller Control Knob item # 331-TPSI-002. This is designed specifically to fit in one of the knock out panels on Toyota vehicle's dashes.

expert reply by:
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Jerred H
Jerred H. profile picture

Jerred H.

1/12/2026

Hey Dave, how did the Redarc Tow-Pro Liberty work out with your Tundra’s wiring? Your experience could point others in the right direction when replacing their factory brake controller.

Dave profile picture

Dave

1/12/2026

@JerredH It worked out perfect, I plugged it into the factory plug from the back of the factory controller, secured the module and ran the knob to an empty spot on the dash. Looked like it belonged to the truck. I used it to pull a 24’x 8’ double axle tiny house across Canada. Saved my ass a few times. Thanks again for your advice, Apparently this is an issue for Tundras and it’s best to replace the factory controller even if it’s currently working.
Jerred H. profile picture
Etrailer Expert

Jerred H.

1/12/2026

@Dave Glad it's working out so well Dave! That's exactly why the Tow-Pro Liberty item # RED72CR is the best option. You're welcome and that's good to know.

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