Alarm system- it is possible that it might be a contributor to your problem especially if not wired correctly via soldering(lets be honest most places will use quick connect option). I would opt to toss it away and restore original wiring at some point(it is 25 year old classic, so doubt that Kia b...

If the cluster was replaced on a 2000 that will cause problems. The Vida system checks the data stored in the speedometer cluster for the Vin# and as a security check then compares to the ECM. If these Vin #'s do not match it will prevent ECM access. Also it will only display the km's from the swap...

Yes, that actually makes a lot of sense!
I did replace the ECM a while ago — I used the exact same part number and swapped the EEPROM from the original unit.
Also, I’m not 100% sure, but I think the instrument cluster might have been replaced by the previous owner.

Hello, I have a 2000 Volvo S70 with a B5244S engine and Magneti Marelli ETM (electronic throttle). The car is stuck in limp mode, very low power, and throws multiple DTCs in VIDA. Most of them seem unrelated, but some are throttle and pedal related. Here's the full list: --- Engine Control Module (E...