I found ECU PRO to be extremely honest and trustworthy. I thought I was having problems with my FRM module, where my front lights were not behaving properly. I found ECU PRO on Facebook (META) Marketplace, where they offered to test my FRM for $99, repair it if necessary for a combined $250, or replace my FRM with a clone for a combined fee of $499. I was notified by ECU PRO, with 2 video files they created, showing my FRM was working properly on their vehicle. ECU PRO found that there was nothing to repair on my FRM. Being stubborn, figuring in my head that the FRM had to be my problem, I asked and paid for a replacement clone, paying the additional $400 for the same. Lo and behold, their replacement clone behaved just like my original FRM, and they were right, no problem was found. I promptly mailed back their cloned FRM and requested a refund, minus their programming fee for preparing their clone to be "Plug & Play" compatible. Once they received back their cloned FRM, ECU PRO graciously refunded back to me the $400 I paid for the clone. This showed me both their technical competency, as well as their comitment to customer care. ECU PRO's integrity is beyond reproach. I highly recomend ECU PRO.