TPMS question

Discussion in 'Dodge Challenger SRT 392' started by Max57, Jan 10, 2016.

  1. Max57

    Max57 Silver Member

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    My SRT has been sitting for awhile and I guess with the cold, I lost some pressure in all tires when I took her out for a ride. When I got home, I put air in all four tires (32 psi) but the TPMS didn't recognize the increased tire pressure.

    Is there a way to reset the TPMS, or does it take awhile driving for it to recognize the new tire pressure?
     
  2. solo7777

    solo7777 SRT Terminator Hellcat Car Club Western Regional President HCC Charter Member

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    They adjust automatically, drive a few blocks and they should adjust.
     
  3. Max57

    Max57 Silver Member

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    That's what I was hopefully thinking. Thanks for the info. :)
     
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  4. Mopar Magic

    Mopar Magic Hellcat Member

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    I still don't have my car so I don't know this first hand but my understanding is that it takes at least a couple dozen rotations of the tire for it to pick up the new pressure.
     
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  5. FarAwayFromHere

    FarAwayFromHere Gold Member

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    And or an ignition S/W cycle!
     
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  6. Pelham 392

    Pelham 392 Rookie

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    I added about 3lb to each tire recently, with the temperature drop. But I plan on doing a nitrogen fill in the spring and be done with it.
     
  7. HiTech

    HiTech Rookie

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    From past experience the wheels have to rotate to start the batteries for the TPMS to transmit the signal. That's how they get the battery life.....
    HiTech
    16 SRT 392
     
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  8. theRealJA105

    theRealJA105 Silver Member

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    TPMS won't adjust after your ignition cycle, it must take multiple tire revolutions. I know this because i pulled my cat out of the garage last summer and when i let her sit to warm up i noticed the rear tire was completely flat (damn nail). I didn't get a warning light at all and when i scrolled to the tire pressure on my screen it was still reading 25 psi which must have been slowing leaking from running over the nail before i parked it.
     

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