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Garmin Street Pilot 7200 Problem

Former Member
Former Member
The trip computer average mph goes haywire at times and shows over 100mph. Any suggestions on a fix for this.
Thanks
2romrs
  • Former Member
    0 Former Member over 15 years ago
    Could you check to make sure you are running the latest software versions. The easiest way to do this is by downloading and installing the Garmin WebUpdater application also make sure you check for additional updates including GPS firmware.

    Also, does the unit have a clear view of the sky when in the vehicle?
  • Former Member
    0 Former Member over 15 years ago
    Signal loss

    I was told by Garmin support that this was caused by loss of satettlite signal.

    If I go under a bridge, I will see the speed jump very high at times. As far I know, there is no fix. I have had my 7200 since Feb of 07.