Q: Why is TPMS reading 0 psi after tire replacement and all sensors are functional

asked by on December 11, 2017

Last week I got all new tires and 1 new sensor (the rest were functional). I got a flat tire Friday so the spare had to be put on. The shop replaced the tire. The TPMS was reading 0 psi for the new tire. They told me to drive for a bit and it would read the correct psi. This never happened so I brought the car back the next day. They went through the relearn procedures 3 times all were successful and the sensors were tested. The TPMS is still displaying 0 psi for the tire. What could be the issue?

My car has 64000 miles.
My car has an automatic transmission.

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It’s unclear if the sensor on the wheel where the tire ran flat was replaced as well. Running the tire flat could have damaged that sensor; and, a damaged sensor is indeed the most likely cause of the symptom that you are reporting. If a new sensor does not resolve the issue, the recommended diagnostic to resolve this is a warning light diagnostic - TPMS. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

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