Page 1: Table Of Contents
Tuson TPMS Retrofit Kit User Manual Contents 1.Warning 2.Product Parts List 3.Product Specifications 4.TPM Sensor Installation 5.TPM Receiver Installation 6.TPMS Repeater Installation 7.Driving Mode Menu 8.Setting Mode Menu 9.Alarm Warnings and Display Symbols 10.Troubleshooting 11.Customer Service Limited Warranty...
Page 2: Warning
1. Warning 1.1 Federal Communication Commission Interference Statement: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Page 3 1.2 Product Warning 1.2.1 Do not operate a TPMS receiver while driving. The company is exempt from all consequences because of driver’s careless and improper operation. 1.2.2 The system adopts the wireless transmission of signals. In some special circumstances, interference or erroneous methods of operation or installation method errors may cause weaker signal or its inability to receive signals.
Page 4: Product Parts List
TPMS warranty to be valid. If the TPMS sensor is improperly installed or disassembled causing damage to the sensors, the warranty will not cover this type of damage. 2. Product Parts List Part No. TPMS4W TPMS6W Sensor Interchangeable Valve Stem(0.625”...
Page 5: Product Specifications
3. Product Specifications Vehicle Types for TPMS use (Maximum 6-wheel): Tuson TPMS is designed for all types of RVs, commercial and livestock trailers. Great for commercial and passenger vehicles as well! 3.1 Sensor Specifications ITEM Specification Operating Voltage 3V DC...
Page 6 3.2 Repeater Specifications ITEM Specification Operating Voltage 12~24V DC Operating Current 120 mA Operating Frequency 433 MHz Operating Temperature -4°F~185°F (-20°C~85°C) Storage Temperature -40°F~185°F (-40°C~85°C) Monitored Pressure Range 0~203±1.5psi (0~1400±10kPa) Monitored Temperature Range -40°F~257°F±5.4°F (-40°C~125°C±3°C) Size 4.5”x2.1”x1” (116.5 x 53 x 25 mm) Weight 3.4 Oz (95g) Note: When using kPa as the unit of air pressure, the monitor will display “Hi”...
Page 7 3.3 Repeater Specifications ITEM Specification Operating Voltage 12~24V DC Operating Current 11.2 mA Operating Frequency 433 MHz Operating Temperature -4°F~185°F (-20°C~85°C) Storage Temperature -40°F~185°F (-40°C~85°C) Cable Length 90 inches (2300 mm) Size 3.5”x3.8”x0.9” (88 x 96 x 23 mm) Weight 6 Oz (170g)
Page 8: Tpm Sensor Installation
4. TPMS Sensor Installation <IMPORTANT 1> There is a wheel orientation mark on the surface of the sensor (see Fig 1), please install the sensors on the corresponding wheels (see Fig 2) on the trailer. If sensors are properly installed according to the corresponding wheels in Fig 2, then “8.5 Setting the Tire Position on the Receiver”...
Page 9 The Interchangeable Valve Stem ( IVS ) Service Kit The Tuson TPMS tire sensor uses a metal interchangeable valve stem (IVS) that fits through 0.453" and 0.625" in. diameter rim holes. Great for trailer, caravan, motorhome and passenger & commercial vehicle wheels.
Page 10 4.1 TPMS Sensor Installation: screw metal valve stem washer (Fig 1) (Fig 2) (Fig 3) (Fig 4) (Fig 5) (Fig 6) 0.625” 0.453’’ gromment(0.625” or 0.453’’) (Fig 1) & (Fig 2) Deflate and remove the tire from the wheel using a tire mounting machine. (Fig 3) Assemble the sensor to the metal valve stem using the screw (make sure the correct grommet size is on the metal valve stem), then remove the cap, nut and washer from the metal valve stem.
Page 11: Tpm Receiver Installation
5. TPMS Receiver Installation 5.1 Receiver Appearance: 5.2 Installation Steps 5.2.1. Combine the TPMS receiver with the suction cup holder, adjust to the proper angle and adsorb it on the windshield. 5.2.2. Insert the power cable into the bottom of the Receiver. 5.2.3.
Page 12: Tpms Repeater Installation
6. TPMS Repeater Installation 6.1 Repeater Appearance: 6.2 Installation Steps The mounting location of the repeater will depend on the type of towable the TPMS will be installed on. The repeater is designed to repeat the TPMS tire sensors’ RF signals to the receiver in the tow vehicle.
Page 13: Driving Mode Menu
6.2.1 For travel, cargo or equipment trailers with a bumper pull A-frame hitch, place the repeater onto the A-frame area of the trailer. Use self-tapping screws to fasten the repeater to one of the two A-frame members with the “trailer side” black arrow facing the trailer and the power cable end of the repeater facing the tow vehicle.
Page 14 7.2 Tire Temperature Display: °F (Temperature units) In Driving Mode, the default value for tire temperature is set to 176 °F . Press to show the pressure value only. When it shows tire pressure on the display, press again to back to rotation display mode. Default tire Default tire Pressure units...
Page 15: Setting Mode Menu
7.6 Screen ON Press any button to wake the LED display, the LED display will also light up when a tire alarm occurs. 8. Setting Mode Menu The receiver supports parameter settings for up to three vehicles, follow the procedure below to configure the relative parameters for each vehicle.
Page 16 8.1.1 Hold for 3 seconds for Vehicle Selection. The display as shown below will list “CAR 1” to “CAR 3”. 8.1.2 Press , then “CAR 1” will blink. Press to select the vehicle you would setup, then press to confirm, the receiver display will go to the TPMS setting mode and a short beep will sound after a moment.
Page 17 8.2 Setting Tire Pressure Units 8.2.1 The screen will show “kPa” “psi” and “Bar” by default. 8.2.2 Press then the units will blink, now press to select the desired unit, then press to confirm. You will have 60 seconds to make the changes;...
Page 18 8.4 Setting the Number of Axles to Receiver 8.4.1 The screen will show the default axle number. 8.4.2 Press and the numbers will start flashing. 【6-Wheel】【4-Wheel】【2-Wheel】 8.4.3 Press to select the number of axles, and then press to confirm. 8.4.4 Pressing will increase one axle.
Page 19 8.5 Setting the Tire Position on the Receiver 8.5.1 The numbered tire position for each tire sensor is shown on the receiver as pictured below. 8.5.2 8.5.3 Press to enter tire position rotation mode, digit 1 at the LF position will blink by default. Then press to select the original tire position which needs to be changed and then press again,...
Page 20 8.6 Tire Sensor ID Pairing to the Receiver To pair the tire sensor ID to the receiver: 1. Start by moving the tow vehicle with the receiver unit installed close to the trailer or towable that has the TPMS Sensors installed on the tires. 2.
Page 21: Alarm Warnings And Display Symbols
9. Abnormal Warning And Symbol Illustration When the TPMS sensor transmits an abnormal signal to the receiver, a warning symbol will be displayed and a continuous beep will be emitted as an alarm. The abnormal value is shown on the corresponding tire on the receiver.
Page 22 9.1 Alarm Display Symbols Key Alarm Sound Alarm Symbol Definition P ≦ (0.8*standard pressure Beep Low Pressure valve) or ≦ 150 kPa, take the (per second) bigger value Beep P ≧ (1.5*standard pressure High Pressure (per second) value) T ≧ (standard Beep High Temperature temperature value)
Page 23: Troubleshooting
10. Troubleshooting Issue probable causes Solution Wireless signal Remove receiver to other area. ID learn failed (TPMS interference. Keep deflating the tires for alarm with a long beep in rapid deflation Tire air Pressure not 20~30 seconds learning setting) deflated enough Pressure anomaly Low Tire Pressure Please inflate the tires to the...
Page 24: Customer Service
11. Customer Service All product support and warranty coverage are provided by the distributor that your product was purchased in. Please contact your distributor who originally sold you the Tuson product. Or contact us: Toll Free: 800-968-8766 Email: InfoRVBrakes@tuson.com Tuson RV Brakes, LLC...
Page 25: Limited Warranty
PRIOR to processing any claim for warranty. Warranty claim must be received by Tuson within 30 days of the discovery of the alleged defect, or within 30 days of the expiration of the warranty, whichever is earlier. Covered repairs or replacements will be made at Tuson’s expense.
Page 26 Tuson. This Warranty shall not extend to any defects arising from abuse, misuse, accident, improper wiring, or negligence of the installer or the consumer.

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