At Tweetie Tunez X NFG Tuning, we provide professional Davie 4 software installation, setup, and support, allowing technicians and shops to access the same capabilities used by authorized dealers—without the dealership delays.
🔧 What Davie 4 Is Used For
Full engine and module diagnostics
Fault code reading, clearing, and troubleshooting
Parameter viewing and adjustments
System tests and guided diagnostics
Calibration and configuration support
Electronic control and system verification
Davie 4 is essential for working on PACCAR MX platforms where dealer-level access is required.
PACCAR Davie 4
Davie 4 Licensing Info
Davie 4 is not a lifetime license — it runs on a yearly renewal.
• Initial setup: $1,799– Covers dealer license fees, activation, and setup
• Yearly renewal: $1,349 per year– Required to keep Davie 4 active and up to date
This is official dealer-level Davie 4, not cracked software.Renewal is mandatory to maintain access, updates, and functionality.
