My 2017 Honda front wheel drive CRV has 21k miles with two original tires each with 6/32 tread remaining and two new tires due to non-repairable punctures. After the first new tire, the TPMS recalibrated correctly. However, after the second new tire, the TPMS monitor system warning continues to come on after a few miles of driving after TPMS recalibration commands. In my first discussion (telecom) with a local Honda dealer (where I bought the car) service advisor, I was told that I need to buy two more new tires so there would not be such a tread depth discrepancy. I expressed my dismay that I would need to spend what I considered wasteful dollars because Honda could not compensate for such a common occurrence, but was basically told that that is the way it is. I later talked face-to-face with another service advisor at the same dealership who semi-confirmed the first advice I received, but suggested I have the same depth wear tires on the same axle.
Additional information seems to indicate that there is a fault in the TPMS since after a recalibration with the vehicle in park and the engine idling for a few minutes, the TPMS warning comes on for a few seconds and then goes off. However, after driving a few miles after that occurrence the TPMS comes on and stays on until recalibrated just as it did in the first paragraph.
What are your thoughts? Do I need to buy two new tires due to what I deem is a Honda design flaw, or is there a possible problem with the TPMS?
Thank you!
Your car uses the ABS sensors and software to provide the TPMS function. The diameter of the tire is measured and the pressure is estimated based on that. If the 2 tires replaced are not exactly the same brand and model tire (are they the same?) The small difference will throw off the TPMS because diameter varies between tire brands a d models.
I would consider this a defect only if they are the same brand and model of tire and this is happening. But there is nothing you can do but buy 4 new tires and rotate them at regular intervals.