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TPMS Checklist


Download a printable PDF checklist for daily use. 

TPMS warning light on dashboard Check Warning Light
Turn the ignition on, start the vehicle and look for the TPMS warning light.
Blinking MIL - There is a system malfunction.
- Sensor not synced to ECU
- Faulty ECU

Solid MIL

- Low Tire Pressure
- Faulty Sensor

If the light (MIL) is either solid or blinking the vehicle has an TPMS issue. If you don’t advise the customer prior to servicing the vehicle, you could inherit the problem. Which could result in you having to pay for service and or new sensor or sensors.

valve cap finger test Check Valve Capr Test all four valve caps for corrosion. Corroded sensors break easily advise the customer which ones need to be replaced

Galvanic corrosion occurs when Electrochemically dissimilar metals come in contact with one another ie; aluminum TPMS stem and chrome steel valve cap.

These metals must be in electrical contact; valve cap installed on valve stem. The metals must be exposed to an electrolyte water!!!!!

If corrosion has occurred on your customers vehicle, and you don’t advise the customer prior to servicing vehicle, you could be liable for the TPMS sensor if your mechanic breaks the sensor while removing the valve cap.

TPMS Scan tools Scan Sensors
Scan all four sensors to check that they are functioning properly.

If you have an OBD scan tool such as an ATEQ VT55 OBD, Bartec400 or any other scan tool which displays the sensor ID’s. Scan each sensor to check that it is functioning properly.

mileage Check Mileager If the vehicle has more than 50,000 to 75,000 miles it’s a good candidate for new sensors.

Turn on the ignition to determine mileage of the vehicle. The mileage is important in determining the battery life of the sensors.

vin with manufactured year indicated Check VIN – Manufacture Date
10th digit of VIN indicates manufacture date

If the vehicle is 5-7 years old it’s a good candidate for new sensors

Many people confuse the year they purchased their vehicle with actual model year of the vehicle. Actual model year is determined by the 10th digit of vin #.

production date Check Production Date – The production date is located on a sticker inside the Driver’s door jam.

Some TPMS applications require the production date to determine the proper sensor for the vehicle.

Educate the customer
Replacing sensors before they expire will save the customer the cost of additional mount and balance later.

TPMS Mandate – Did you know the US Congress passed a law in 2000 making it mandatory every vehicle sold in the US with less than 10k GVWR after September 1 2007, model year 2008 , will be equipped with a TPMS system?

TPMS was also installed in many 2006 and 2007 model year vehicles as part of the laws faze in.

Valve Cap Test Results – If you were not able to remove the valve cap by hand. Advise the customer they may need to replace the sensor if it breaks when removing the cap.

TPMS Warning Light is Illuminated – If during the inspection you found the TPMS light is on. Let the customer know you need to do further diagnosis when the tires are off the vehicle and they may need to replace a sensor or sensors.

Use our Application Guide to find the right sensor
use our Distributor Locator to find a distributor in your area.

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