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Old 04-25-2014, 08:28 AM   #1
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Reading toad existing TPMS

Since many of the newer model vehicles that are popular TOADs have built-in TPMS I've been trying to research if there is any method to monitor the existing sensors instead of putting on new ones when trying to monitor the vehicle from the RV. I haven't had any luck finding information.

I realize the engine/computer in the TOAD is off, but the sensors should still be transmitting. My thought would be some type of receiver that plugs into the TOAD power source, reads the signals from the sensors, then retransmits the information to the TPMS system in the coach. It seems there should be some method of using the existing sensors rather than adding duplicates.

Anyone have any thoughts or information?
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Old 04-25-2014, 09:20 AM   #2
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It makes sense to have a set up like that. However, there is more to monitoring tires than simply the pressure. Temperature is also a factor, although not as much on a TOAD as a MH. I would think that the cost of any type of transmitter that could do what you want would be the same as getting sensors for the TOAD.
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Old 04-25-2014, 12:19 PM   #3
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I'd be surprised.

Our Jeep has the now mandatory sensors but when it goes off all its telling you is that A tire is low, not which one. If it's not obvious you'll end up checking all five tires (including the spare) to confirm it is only one, and which one.

The after market sensors will not interfere with the OEM sensors and, as mentioned, can provide more information. That said, I've disabled our aftermarket system as it was giving one false alarm after another (even when parked and stationary) and others I've talked to tell me I'm not alone. I'm back to manually checking pressures before any trip.
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Old 04-25-2014, 02:18 PM   #4
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My 2014 Grand Cherokee shows me individual tire pressures, so I wouldn't have to check each tire.

I'd be happy to have a remote unit that just told me the TOAD had a problem with one (or more) of the tires. I can stop, walk back, turn it on, and have it tell me which tire.

If the vehicle manufacturer is happy to just give me the pressure, not the temperature, I'm not going to worry about it.
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Old 04-26-2014, 06:54 AM   #5
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Just my opinion, but I would think any cobbled together system to allow the reading of the already existing sensors in the toads tpms would cost as much as adding the four sensors to your MH's tpms, and may not be as reliable.
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Old 04-28-2014, 10:52 AM   #6
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Just thinking out of the box here. Mount a wireless camera on the steering column, focused on the instrument panel. On my Jeep Wrangler, that would require a switch on in order to see what the TPMS is telling the Jeep. This would indeed be cobbled together however
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