Help Center
How Can We Help?
Browse support topics, search common issues, or talk to a real diesel specialist — we’ll get you back on the road.
Tuner Depot
Business hours, locations, account questions, and company info, etc.
Browse 5 articlesTech Support
Install, flash, and troubleshooting instructions for tuners, tuning, etc.
Browse 22 articlesOrders
Tracking numbers, import duties & taxes, failed delivery, etc.
Browse 4 articlesShipping Information
Delivery times, tracking, international orders, and freight carriers.
Browse 5 articlesReturns and Warranty
Return policy, warranty claims, non-returnable items, and refund timing.
Browse 3 articlesFactory Emissions Systems
What DPF, DEF, SCR, and EGR actually do — and what deleting changes.
Browse 2 articlesMost Read
Popular Help Articles
-
Tech Support
Mini Maxx V2 Delete Tuner Guide
Mini Maxx V2 Delete Tuner Technical Specifications Pre-loaded DPF/DEF/EGR delete...
-
Tech Support
OBD2 Flash Tuning Interface Read & Write Instructions
First, ensure that you've installed the latest VCM Suite BETA...
-
Tech Support
How to unlock & Tune your FACTORY ECM - L5P AIO Delete Kit
READ EVERY STEP BEFORE YOU MAKE ANY MODIFICATIONS TO YOUR...
-
Tech Support
Installing L5P CAN Plugs After Emissions Removal
Installing L5P CAN Plugs After Emissions Removal The L5P CAN...
-
Tech Support
How to Locate the Serial Number and Authorization Code for an EFI Live AutoCal V3 Device
Steps to Retrieve Serial Number and Authorization Code Connect your...
-
Tech Support
WHY IS ERROR CODE $053E APPEARING ON THE EFI LIVE AUTOCAL?
Fixing Error $053E on EFI Live AutoCal What Does EFI...
-
Tech Support
Are My Tunes Switchable Without Installing the CSP4/CSP5/DSP5 SWITCH?
Currently, the tunes on the AutoCal can only be switched...
-
Tech Support
How to Fix EFILive AutoCal Failed Flash & PCM Errors
AutoCal Error Recovery Guide If the programming process is interrupted...
-
Tech Support
HOW MANY TUNES ARE ON MY EFI LIVE AUTOCAL DEVICE?
 Number of Tune Files on AutoCal Your AutoCal device...
-
Tech Support
EFI Live AutoCal V3 Installation Guide
Pre-Installation Guidelines READ THIS BEFORE PROCEEDING WITH INSTALLATION — Your...
-
Tech Support
EZ Lynk Installation Instructions
The EZ Lynk AutoAgent is a universal OBD device that...
-
Truck Programmers
Iron Loader V2 - Installation and Tuning Instructions
Iron Loader V2 - Installation and Tuning Instructions Welcome to...