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TPMS

YOUR TPMS PARTNER:

Wheelwright have teamed up with the worldwide leaders in the supply of TPMS (Tyre Pressure Monitoring Systems) to deliver the most comprehensive car park coverage of any Tyre Pressure monitoring suppliers. We are dedicated to supplying the wheel and tyre industry with information and products to best service the newly inherited technology.

LOOKING FOR TPMS SENSORS?

Choose from our range of OEM and aftermarket, programmable sensors to ensure no loss of TPMS functionality. Our T-Pro sensors has over 95% car park coverage – ask about TPMS when ordering your wheels or wheel & tyre package!

DID YOU KNOW..?

A fully functioning TPMS is now a mandatory part of the MOT? If your TPMS light is showing on your dashboard, after fitting new wheels and tyres, this may be because you have not fitted the correct TPMS valves to your package.

TPMS Programming Tools

PROGRAMMING AND DIAGNOSTICS

We offer World-Leading TPMS Programming and Diagnostics Tools from ATEQ. Versatile, future-proof and durable.

TPMS Sensors

TPMS SENSORS

We supply OEM and aftermarket sensors, including the T-Pro programmable sensor, which features over 95% car park coverage.

TPMS Service Kits

SERVICE KITS

Just need to service your customers TPMS valves? Choose our easy-to-use, pre-packaged service kits with everything you need to do the job right, first time.

Retro Fit TPMS

RETRO-FIT TPMS KITS

We can also offer Retro-Fit TPMS kits, ideal for vehicles not fitted with TPMS as standard from manufacturer.

What is TPMS?
TPMS systems are now mandatory on all newly registered vehicles in the EU (since November 2014). They are fast becoming a vital part in maintaining safety on the roads. The system works by monitoring the pressure (and sometimes temperature) within each of the vehicle’s tyres. TPMS stands for Tyre Pressure Monitoring System, a new safety feature which continuously monitors a vehicles’ tyres and alerts the driver to changes in tyre pressure. The changes in tyre pressure can be detected by either Direct or Indirect means but both methods will, as a minimum, illuminate a warning light on the vehicle dashboard display and sound an audible alert when 25% deflation has occurred. Tyre bays and workshops can check tyre pressure using diagnostics tools, reading the pressure from OEM or aftermarket sensors.

Early TPMS were first introduced as an option on high-end luxury vehicles as early as the 1980s, although it wasn’t until the year 2000 that it was first fitted as a standard feature.

What is Direct TPMS?
Each wheel & tyre of the vehicle has a sensor fixed (usually within the valve) to monitor the changes in pressure from the tyre. Tyre pressure sensors often also measure temperature. Each sensor sends its signal to the receiver inside the vehicle using a wireless connection. In Europe the transmission frequency is 433Mhz. If low pressure or a leak is detected (generally 25% less than normal operating pressure), the driver is alerted by the in-car system and generally the deflated tyre is identified.
• Direct TPMS is very accurate measuring to 1 or 2 psi.
• A puncture after parking is immediately identified.
• Sensors send their signals approximately every 30 seconds, when parked they transmit every 20 to 30 minutes. At 25 kph the sensor switches back on to transmit every 30 seconds.
• Sensors have an approximate life of 5 years or 160,000 km.

What is Indirect TPMS?
• Indirect TPMS is generally fitted to a vehicle that has had fitted or can be fitted with run flat tyres. This is because it is difficult to see or feel deflation in this type of tyre.
• Indirect tyre pressure monitoring systems do not use pressure sensors to monitor tyre pressure, they work from the ABS or speed sensors on the vehicle.
• Indirect systems monitor tyre pressure by assessing the rotational speeds of each tyre, and work on the premise that an under-inflated tyre has a slightly different diameter than a fully inflated tyre. An algorithm is used to assess the differences in wheel speeds.
• The under-inflated tyre would therefore rotate at a different speed than the correctly inflated one, causing a tyre pressure warning. The deflated tyre is not identified, the driver has to check all 4 tyres

Negative Aspects of Indirect TPMS
• The system is not very accurate.
• When tyres are re-inflated, the system needs to be re-calibrated.
• When tyre positions are changed, the system needs to be re-calibrated.
• When the tyres are replaced, the system needs to be re-calibrated.
• The system can be re-calibrated by the driver without first ensuring that the pressure is correct in all tyres.
• A puncture after parking is not immediately identified.

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