RV Tire Pressure Monitoring System for every mile you drive.
Watch the pressure and temperature of every tire on your motorhome, fifth wheel, travel trailer and tow vehicle in real time — from one screen on your dash. Catch slow leaks and overheating tires long before they turn into a blowout on the highway.
German-engineered since 1945 · IP67 waterproof sensors · 4–12 tire support · Up to 217 PSI
Find the right RV tire pressure monitoring system
Pick the pressure range and sensor count that match your motorhome, fifth wheel or towing setup.
4/6/8 Wheel · 116 PSI
GRUNDIG RV TPMS
Switchable 4/6/8-wheel display, 40m long-range signal and IP67 sensors for travel trailers, Class B/C motorhomes and 5th wheels.
6-Sensor · Up to 217 PSI
Solar Powered TPMS
Solar + Type-C dual charging for dual-rear-wheel motorhomes, dually trucks and heavy-duty RVs — no cables on the dash.
8/10/12 Wheel · Up to 217 PSI
Grundig S08 Heavy-Duty TPMS
For Class A diesel pushers, Super C motorhomes, triple-axle 5th wheels and a coach plus towed vehicle.
4/6/8 Wheel · 116 PSI
Caravan TPMS
Tuned for touring caravans and motorhomes, with a 40m signal range and a 5.0" HD display.
Why Every RV Needs a Tire Pressure Monitoring System
An RV carries far more weight per tire than a passenger car, often rides on dual rear wheels you can't see from the driver's seat, and may tow a car or trailer behind it. A tire problem can build quietly for miles before you feel anything.
Prevent Blowouts
Under-inflation and heat build-up are common causes of RV tire failure. An RV tire pressure monitoring system warns you of rapid air loss, low pressure and high temperature while there is still time to pull over safely.
See the Tires You Can't See
Inner duals on a Class A or Class C, the far axle of a fifth wheel, the dinghy behind your motorhome — a TPMS shows every position on one display, so nothing goes unchecked between stops.
Save Tires and Fuel
Correctly inflated tires wear evenly and roll with less resistance. Keeping every tire at its recommended PSI helps your RV tires last longer and keeps fuel costs down on long trips.
Whatever you drive or tow
The same wireless sensor platform, matched to four common RV setups.
Class A Motorhomes
High-pressure tires and tag axles — choose the S08 Heavy-Duty with 217 PSI sensors.
Class B & C Motorhomes
4 to 8 tires under 116 PSI — the GRUNDIG RV TPMS covers the rig and a towed car.
Fifth Wheels & Toy Haulers
Long rigs and heavy axles — pair high-pressure sensors with a signal booster for setups over 30 ft.
Travel Trailers & Caravans
Truck plus trailer in one view — the Caravan TPMS switches between 4, 6 and 8 wheels.
How an RV Tire Pressure Monitoring System Works
A wireless RV TPMS has two parts: sensors on each wheel and a monitor in the cab. Each sensor reads the tire's pressure and temperature and transmits the data by 433MHz radio to the monitor, which displays every wheel position at a glance.
You set high and low pressure limits that match your tires. If a tire drops below or rises above your limits — or its temperature climbs too high — the monitor sounds an alarm and flashes the exact wheel position. That tells you which tire to check, instead of walking around a 40-foot coach guessing.
Good to know: Tire pressure changes roughly 1 PSI for every 10°F of temperature change. A live TPMS display helps you tell the difference between a cold morning reading and a real leak.
External vs. internal sensors
External (cap-style) sensors screw onto the valve stem in place of the valve cap. They install in minutes with the included anti-theft nut and wrench, and suit most RV owners who want a quick DIY setup.
Internal sensors are mounted inside the tire, replacing the valve stem. They are protected from road debris, weather and theft — a good choice if you are fitting new tires anyway.
Which RV TPMS fits your rig?
Match the system to your tire pressure and the total number of wheels you want to monitor — including your tow vehicle or trailer.
| Model | Best for | Wheels | Max PSI | Power |
|---|---|---|---|---|
| GRUNDIG RV TPMS | Travel trailers, Class B & C motorhomes, mid-size 5th wheels | 4 / 6 / 8 | 116 PSI | Type-C rechargeable |
| Solar Powered TPMS | 6-wheel motorhomes & dually trucks | 6 | 217 PSI | Solar + Type-C |
| Grundig S08 Heavy-Duty | Class A coaches, triple-axle 5th wheels | 8 / 10 / 12 | 217 PSI | Type-C rechargeable |
| Caravan TPMS | Touring caravans & motorhomes | 4 / 6 / 8 | 116 PSI | Rechargeable |
Want a deeper side-by-side? See our full TPMS comparison.
RV TPMS Buying Guide: 5 Things to Check
1. Maximum pressure rating
Look at the cold inflation pressure on your tire sidewall or the RV's placard. Many travel trailers and Class B/C motorhomes run under 116 PSI. Class A coaches and heavy-duty fifth wheels with Load Range G, H or J tires often run 100–120 PSI or more, so a 217 PSI system gives you safe headroom.
2. Total wheel count
Count every tire you want to watch: 6 for a dual-rear-wheel motorhome, plus 4 for a towed car, or plus 2–6 for a trailer. Choose a system with modes that cover your full combination, now and in the future.
3. External or internal sensors
External sensors are the fastest DIY install. Internal sensors cost more to fit but are protected and tamper-proof. Either option gives you real-time readings and alerts.
4. Power for the monitor
Solar-powered monitors keep the dash free of cables. Type-C rechargeable monitors top up from any USB port and wake automatically when the RV starts moving.
5. Signal range on long rigs
On a long motorhome towing a trailer, the rearmost sensors are a long way from the cab and metal frames weaken the signal. For setups over 30 feet, add a signal booster to keep every reading stable.
How to Install an RV Tire Pressure Monitoring System
External-sensor kits install in minutes, with no tire removal:
- Inflate every tire to its cold pressure before you begin, so your baseline readings are accurate.
- Power on the monitor first and mount it on the dash or windshield where you can see it while driving.
- Set your high and low pressure limits to match your tires — factory defaults are often set lower than RV pressures and can trigger false alarms.
- Screw each sensor onto its valve stem in the on-screen position order, then lock it with the anti-theft nut.
- Check for leaks with soapy water around each sensor, then take a short test drive to confirm every position reports.
Before each trip, run through our RV safety checklist — tire checks are only one part of a safe departure.
RV Tire Pressure Monitoring System FAQ
Do I really need a tire pressure monitoring system on my RV?
Many RVs, especially trailers and older motorhomes, have no factory TPMS at all, and a tow vehicle's built-in TPMS can't see the trailer's tires. Because RV tires carry heavy loads and are hard to see from the driver's seat, an aftermarket RV tire pressure monitoring system is one of the most effective ways to catch a leak or overheating tire before it fails.
Can one RV TPMS monitor both my motorhome and my tow car or trailer?
Yes. Choose a system with enough wheel positions for the full combination — for example, the GRUNDIG RV TPMS in 8-wheel mode, or the Grundig S08 in 10- or 12-wheel mode for a heavy coach plus towed vehicle.
What PSI rating do I need for a Class A motorhome?
Check the cold inflation pressure on your tire sidewall. Class A coaches commonly run higher pressures than trailers, so a 217 PSI system such as the Grundig S08 or the Solar Powered TPMS leaves comfortable headroom.
Will external TPMS sensors cause air leaks?
Properly tightened external sensors seal against the valve stem. After installation, spray soapy water around each sensor — if no bubbles form, the seal is good. Metal valve stems are recommended for external sensors on heavy RVs.
How long do RV TPMS sensor batteries last?
Grundig external sensors use a replaceable CR1632 coin-cell battery that lasts about 12 months under normal driving, and the monitor warns you when a sensor battery runs low.
What should I do when my RV TPMS alarm goes off?
Slow down and pull over safely as soon as you can. Check the monitor to see which wheel triggered the alarm, confirm the reading with a manual gauge, and inspect the tire for nails, cuts or sidewall damage before continuing.
Towing without a motorhome? See our trailer TPMS guide or browse more tips on the Grundig blog.
Know before the road tells you.
From weekend travel trailers to 40-foot diesel pushers, there is a Grundig RV tire pressure monitoring system that fits your rig and your budget.