Adding MTS and Crawl Control to a TRD Sport - EASY!

[TrustButVerify]

My experience with the previous generation Tundras was that they all had the same wiring harness, and adding accessories was as easy as plugging in the needed parts. I added a few features to my SR5 just by buying sensors and switches. I'm hoping the Limited has the accessory plugs the TRDs have, so I would just need the switches and harnesses to plug in.

They almost certainly do. If you were referring to the three AUX harnesses. Just take a look and see. There's three fuses, three relays and then three wiring harness that the locations of which are listed in the manual.

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[webshot]

wonder if this would work on a Limited?

No it does not. I tried it.

 

[Tacomanoob]

If this works on sports why not on limited?
They are basically pretty much same on the transmission and 4X4 setting

 

[hogshooter]

If this works on sports why not on limited?
They are basically pretty much same on the transmission and 4X4 setting

I think the Limited doesn't have the MTS/locking rear diff the TRDORs have

 

[diablo2112]

I think the reason this may not work on the Limited is the drive settings are very different. MTS provides mud, snow, etc, on the Offroad models. The Limited is exclusive in that it has Sport+ and Custom settings. I'd worry that trying to add MTS might interfere with the additional settings available on the Limited.

 

[john170950]

Watching this thread to see if anyone find out if this will work on SR5 models.

 

[wutheck]

I tried this on my Sport and it did not work. The MTS button does not light up or change anything on the dash.

 

[Btimothy4]

I assume you had it in 4HI? It does work unless you are in 4HI. Just switching the control to 4HI doesn't really engage it - you need to drive a few feet and then you will see the 4HI stop blinking and stay on. Then hit the MTS button - video below

 

[Btimothy4]

 

[NewtoToyota]

Ordered mine from eBay, just waiting for it to come in. For the money it's worth giving it a try. Thanks for taking the chance and trying this out for all of us.

 

[wutheck]

I assume you had it in 4HI? It does work unless you are in 4HI. Just switching the control to 4HI doesn't really engage it - you need to drive a few feet and then you will see the 4HI stop blinking and stay on. Then hit the MTS button - video below

Yes I had it in 4Hi. I'll play around with it a little more cuz I really want this to work!

 

[Btimothy4]

I assume the Drive modes still worked with the new switch? Sport and Eco?

 

[wutheck]

I assume the Drive modes still worked with the new switch? Sport and Eco?

Yup, everything worked except for the MTS and Craw buttons. I drove it around a bit and did several power cycles. Nothing

 

[Btimothy4]

Yup, everything worked except for the MTS and Craw buttons. I drove it around a bit and did several power cycles. Nothing

Mine worked right away - even the crawl button would light up, but found out the actual crawl doesn't work, only the MTS. Was your battery connected? I always disconnect the neg terminal when I do this type of work. Maybe try that as a "reset".

 

[JR760]

Mine worked right away - even the crawl button would light up, but found out the actual crawl doesn't work, only the MTS. Was your battery connected? I always disconnect the neg terminal when I do this type of work. Maybe try that as a "reset".

From my understanding if you want crawl control you need to buy the upgraded module for it from Toyota. There apparently is a separate ECU for it.

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