Dash lights on

  • 3.3L
  • 6 CYL
  • 2WD
  • 220,000 MILES
Last fall I had some used tires put on from a local shop. Early spring this year my tire pressure management system turned on. I checked pressure and it was high high. Figured it was temperature change. It kept coming on every once in a while so I kept checking and adjusting tire pressure to the specs per the manufacturer which is 35 psi. Not long after all these lights came on. They would sometimes last a short time other times they would not turn off till the next day. This went on for about a month. Then one day they turned on and have stayed that way.
I have no idea what this could be. I took it to a local parts store where they can scan for faults and nothing came up. It runs fine everything seems to work. The indicator light for the tire pressure management system is blinking rapidly and the other lights (VSC, ABS, brake and track off) just stay on.

Any ideas?
Do you
have the same problem?
Monday, July 20th, 2020 AT 7:29 PM

1 Reply


Interestingly, the ABS, traction control, and stability control lights can all be the result of a faulty wheel speed sensor. Most parts stores have a scan tool that can't read such codes.

What should be done is to scan the CAN bus system. CAN stands for computer area network. This system ties multiple systems together via only a couple wires. By performing a CAN scan, you can tell where the fault is.

Here is a video that shows how it's done:


Other than doing it that way, you could check to see if one of the sensors is failing manually. It will require you to lift one wheel at a time, connect a volt meter to the sensor, and spin the tire to see if there is a signal.

Here is a link that explains how that is done:


I attached two pics below showing the location of the sensors. If you need help, please let me know. Note: Pic 1 is showing the sensor from behind the wheel. It is mounted on the steering knuckle.

Let me know if this helps or if you have other questions.

Take care,
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Monday, July 20th, 2020 AT 7:46 PM

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