Hi, first time posting here..... Bought a 2018 GMC LP5 deleted from the owner (diesel mechanic) with HP Tuner. I changed to a tow tune but understand I need to do a crank relearn. Instructions on HP...
Type: Posts; User: mattsheryl2003
Hi, first time posting here..... Bought a 2018 GMC LP5 deleted from the owner (diesel mechanic) with HP Tuner. I changed to a tow tune but understand I need to do a crank relearn. Instructions on HP...