Question about 2008 Chevrolet Cobalt

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Have a 2008 Chevy Cobalt, tire sensor is staying on all the tire, not reading the tire pressure at all, has 2 dashes instead. Called and talked to dealership mechanic, he said that re-registering the tires would solve the problem. Manual says to hold the lock & unlock on key fob and it will start the registration process. Can get the registration to start with the first tire but will not move onto the second tire. After the first attempt to re-register the tire sensors the light went out for about 30 miles and then came back on with the same problem. Don't want to have to go pay $30 to get someone else to register the tires.

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On vehicles equipped with keyless entry, simultaneously press the keyless entry transmitters lock and unlock buttons until a double horn chirp sounds indicating the Learn Mode has been enabled. The left front turn signal will also be illuminated....Next

  • Increase/decrease the tire pressure for 8-10 seconds then wait for a horn chirp. The horn chirp may occur before or up to 30 seconds after the 8-10 second pressure increase/decrease time period has been reached. Once the horn chirp has sounded, the sensor information is learned and the turn signal in the next location to be learned will illuminate....Next
    1. After the horn chirp has sounded and the right front turn signal is illuminated, repeat step 2 for the remaining 3 sensors in the following order:
    1. Right front
    2. Right rear
    3. Left rear
    4. When the left rear sensor has been learned and a double horn chirp has sounded, the learn process is complete and the RCDLR exits the learn mode.
    5. Ignition OFF, adjust all tires to the recommended pressures. Refer to Vehicle Certification, Tire Placard, Anti-Theft, and Service Parts ID Label

    Posted on Sep 16, 2009

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