Test and Repair

How we test your unit

 All units are Tested, Rebuilt and Tested again by a Computer Specialist

  • Upon arrival all units are tested prior to repair
  • All units will arrive to you with the latest updates
  • Once repaired all units are tested under all circumstances as well as extreme heat and cold
  • All units are Plug N' Drive, NO programming required 
  • All parts that are change are high quality and OEM 
  • All units will not leave here without a 101 point test and inspection for quality assurance
  • Click below for correct repair form

Can't afford the down time to wait for a repair service?

That's no problem. We also sell fully rebuilt and programmed unit to your vehicle with the exchange of your old ECM (core) pre paid lebel will be provided for return of old core. (click below Shop Now)

Not sure what to do?

Call us now! We will help answer all your questions

General Repair Form

REQUIRED: Please print correct form 

6.7ltr Cummins Communications Form

Communications form only not repair form 


How It Works

How does a repair service work? Once a repair service is purchased, you print out proper required repair form. Fill out all question on the form leave none blank & sign and date form. Package up your unit safely and send to address on repair form. There is a 1 to 2 day turnaround from time of arrival. We will always tell you where your problem is or a general area. OEM part(s) are a must!

If Not Repairable

All units get tested prior to repair. Repair services are a 50/50 chance of being repaired. If deemed not repairable, we have a large selection of repalcement unit that are Plug & Drive and ship out UPS free ground within 1 to 2 days from time was placed. 

Warranty Coverage

Warranty covers 1 year or 12,000 miles on parts replaced only, prorated after 6 months. The warranty is non-transferrable applies only to original purchaser void if vehicle is sold! Auto Computer Specialist is not responsible for lost or mismailed units to us for warranty or R&R services. No warranty will be honored without receipts and without defected in hand. If a unit is lost we do not honor warranty and you must do a new purchase. All warranty is subject to ACS approval.