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TPMS module stuck in test mode

Discussion in '2nd Gen. Tacomas (2005-2015)' started by urabuS, Jul 11, 2025 at 12:43 PM.

  1. Jul 11, 2025 at 12:43 PM
    #1
    urabuS

    urabuS [OP] New Member

    Joined:
    Jun 11, 2017
    Member:
    #221233
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    Vehicle:
    2006 matte black tacoma
    Hey all first post here, stumbled on quite the issue today

    Truck in question is a 2006 Tacoma, I have recently replaced all my tire sensors including the spare with brand new autel sensors with a TS508 and had my TPMS light off and the system functioning normally for a few months until today. I just got a new MK808 scan tool and was digging around with it and ended up accidentally initiating a TPMS test.

    Now the TPMS module live data reads it is in test mode and the light blinks rapidly without stopping. Ive tried the TC to CG pin jump and this gets the light flash to slow down but as soon as the jumper is removed the blinking goes back into rapid flash. No trouble codes are present on the module and the sensors are registering with their IDs and pressures. I have also tried to relearn the ecu on the sensor IDs with the TS508 but the tool gets an error redirecting me to the TC CG jump.

    So it seems i am stuck in test mode, A test drive after caused no change and nothing online seems to get me any closer to a solution. Any help is greatly appreciated, Thank you all!
     
  2. Jul 11, 2025 at 8:16 PM
    #2
    Dm93

    Dm93 Test Don't Guess

    Joined:
    Mar 3, 2015
    Member:
    #150066
    Messages:
    13,519
    Gender:
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    Texas
    Vehicle:
    2014 DC OR 6spd 4x4
    Predator tube steps, Ranch Hand grill guard, Magnaflow CatBack exhaust, Toyota tool box & bed mat, 2LO Module by @Up2NoGood, Rearview Compass/Temp Mirror, Tune by @JustDSM.
    Not really sure, service info is kinda vague on it as well.
     

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