I have a 2010 Silverado lmm duramax Its has a 5 position efi live switch. I need to change the tire size the spedo is off. Tryed using tje hp tuners scanner the special feature tab but nothing is coming up. Its connected to vehicle tried it with the key on and recording and not recording. Any ideas?
If its tuned with EFI Live I don't think HP will be able to do anything with it.
2011 Camaro 2SS Convertible L99 Bone Stock for now
2003 Dodge 2500 5.9 Cummins QC 4x4. Airaid, 2nd Gen Intake, Grid Heater Delete, D-Tech 62/65/12, Magnaflow. Bully Dog: Propane Injection, Triple Dog W/Outlook Crazy Larry. Edge EZ, BD Flow-Max, 48RE: Sonnax Sure Cure/Transgo combination, Derale turbulator, billet input, Triple Disc, Super servo, 4 ring Accumulator. :beer
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