Looking to get started with commercial truck diagnostics? We got you covered with free software to check fault codes, repair information, and a tool to help troubleshoot connection issues.
Pays for itself in one saved tow or dealer diagnostic visit! Designed for heavy-duty truck owner-operators and small commercial fleets, the Diesel Decoder is a powerful one-of-a-kind diagnostic tool for all heavy-duty truck makes. Just plug it into a diagnostic port, sync it via Bluetooth® to the free Diesel Decoder by Diesel Laptops app, and use your smartphone to view fault codes and get repair information. No expensive code-scanning hardware and software needed!