Articles in this category UltraGauge MX questions and/or Trans Temperature questions? Do you have questions regarding the MX or Transmission Temperature? Please read the Scans and Scans and then shuts off or "Comm lost, restarting" If when attached UltraGauge scans and scans and then shuts off, there are three potential causes: ... The MX mgauges show "err". "Err" means that the codes are not used by your vehicle Please see the UltraGauge MX FAQ pa... I need codes for the MX....where do I find codes? Please see the UltraGauge MX FAQ page: http://ultra-gauge.com/ultragauge/support/ultragauge... Display garbled on page change The following applies to all UltraGauge EM with a version date prior to 10/1/12. To check you... UltraGauge REWARD *** The Reward Offer ended on 9/19/15. The offer does not apply to any orders placed after 9/1... Display Update rate? The rate at which the display updates can be adjusted to as fast as every 1/3 second. For vehicles... MPG gauges show "Err" MPG Sensor Error Description: Many or all of the various MPG gauges display "Err" or nonsensical v... UP key does not work While viewing any of the seven pages of Gauges, the UP key has no immediate function. Pressing it qu... UltraGauge remains on, when the ignition is OFF UltraGauge will remain on if left in the Menu system. Please always exit the menu system. If after ... "Err" message on display Whenever UltraGauge does not receive a response back from the vehicle's computer, it briefly display... Metric Alarms Some Metric Alarms on the UltraGauge EM do not function. This applies only to UltraGauge EM with a v... Negative gauge values, All distance and related gauges The following only applies to UltraGauge with a version date prior to 10/1/12 ...