The MX mgauges show "err".
"Err" means that the codes are not used by your vehicle
Please see the UltraGauge MX FAQ page:
http://ultra-gauge.com/ultragauge/support/ultragauge-mx-FAQ.htm
UltraGauge techical support will be unavailable from Wednesday 7/ 16/25 until Wednesday 7/23/25.
Please see the knowledgebase and searchable manual in the interum. If this is in regard to an order placed, but not yet shipped, please email
support2@ultra-gauge.com
"Err" means that the codes are not used by your vehicle
Please see the UltraGauge MX FAQ page:
http://ultra-gauge.com/ultragauge/support/ultragauge-mx-FAQ.htm