Commercial truck and engine diagnostic trouble code solutions


How do I register for an account?

At the top of any page, you can click on Login/Register. Alternatively, you can click this link:

I registered, but why have I not received my login and password information?

Sometimes it can take up to 10 minutes for the email to be sent to you. If it has been over this period and you don’t see it, please call us at 888-983-1975 option 3 or email us at sales@ so we can help you. The most common reason is an issue with a credit card, or our email to you is sitting in your Junk or Spam folder.

Why do I need a credit card if I have a coupon code?

Think of us as the Netflix of truck repair information. We provide a subscription based website that provides truck repair information. If you have a coupon code, you are using this website free for that term. Unless you cancel, you will be auto-renewed at the end of that period. You can read our entire policy on payments and refunds on our Terms of Use page. We do not require any contracts, and you are free to cancel at anytime.

How secure is my payment information?

All of our payments are processed through Stripe is one of the largest online credit card processors in the world, and is used by companies such as Best Buy, Target, Adidas, FaceBook, Lyft, and hundreds of thousands more. We do not store your credit card information on our servers, everything is done by Stripe. Stripe is PCI compliant and you can read more about security their website.

Can I upgrade my account from a weekly to monthly/annual?

Yes, you can do this yourself. Click on “My Account” at the top of any page and then click on “Change Plan”.

How do I cancel my account?

Simply click on “My Account” at the top of the page, then select “Cancel”. Accounts can be cancelled at any time. Please see our Terms of Use page regarding refunds and cancellations.

What if I can't find the code I'm looking for?

We would like to know about it so we can figure it out! You can contact us one of these ways:

  1. Email us at sales@
  2. Call us at 888-983-1975 x3
  3. Submit a request via the website