Heavy-Duty Diagnostics from Your Phone or Tablet
Plug the Diesel Decoder into the vehicle diagnostic port, connect by Bluetooth, and use the free Diesel Decoder app on a compatible Apple or Android device for fast access to truck fault and vehicle data.
Read More Than Generic J1939 Codes
Diesel Decoder is designed to read true diagnostic trouble codes, including manufacturer-specific and proprietary fault information, rather than limiting you to generic SPN/FMI data.
Free Core App + Optional Diesel Decoder Pro
- Core Diesel Decoder app: Free to use for supported fault-code and vehicle-data functions
- Diesel Decoder Pro: Optional separate $29.99/month plan through the app stores
- Supported Pro functions: Bidirectional commands including DPF regeneration and aftertreatment resets on supported applications
The paid Pro plan is optional and is not included in the purchase price of the hardware. Without the plan you can read & clear fault codes and view live data.
Vehicle and Trip Data
- View vehicle information including VIN and supported live data
- Capture trip distance and operating-hour information where available
- Use supported driver productivity and trip-reporting features from the mobile app
Built for North American Commercial Trucks
Current DieselLaptops.com coverage includes major commercial-truck platforms such as Freightliner, Peterbilt, Mack, Kenworth, Volvo, Western Star, International, and many others.
What You Get
One Diesel Laptops Diesel Decoder Bluetooth diagnostic adapter. A compatible Apple or Android mobile device is required for app use.
Important compatibility note: Diesel Decoder Pro is a separate optional subscription. Item comes with a 30 Day Return window so if it doesn't work on your vehicle return it for a full refund.