In order to start tuning, your truck requires this one-time, send-in upgrade service to upgrade the E42 ECM for custom tuning using our VCM Suite software.
Spare ECMs will NOT BE ACCEPTED, no exceptions. Only the original ECM from your vehicle is acceptable for this service.
This means your E42 ECM must be removed from your truck and shipped to HP Tuners’ headquarters for servicing. This process takes up to 7 business days to complete (not including shipping
