So you want to use a phone or tablet to access your Volvo’s codes, reset procedures, and all the goodies you’re locked out of without an expensive scan tool. Since the age of dedicated scan devices is over, you can now use devices you have, like smartphones and tablets. But you need a bridge, something […]
MVS Forums contributor ESL explains how to connect to your Volvo’s ECU via Bluetooth adaptors: Torque uses the standard OBDII emission diagnostics. If you can’t connect with Torque, the first thing I’d try to do with Torque is find a way to force it to use the ISO 9141-2 protocol. If you can somehow monitor […]
Here is a legacy list of various 850 repairs I’m moving to the VRD, for posterity. Replacement of entire sunroof system Member, atikovi was having trouble with the sunroof not working properly and decided to go to a junk yard and retrieve an entire unit- frame, motor, cables, etc. He then documented (with pictures) how […]
In response to a request for opinions on how to safely boost a V70, MVS user pkplok posted this link which is specifically about boosting Volkswagens but should work for Volvos as well. Additionally, user SweedSpeed posted the diagram below which shows how to allow the ECU/solenoid to regulate boost in lower gears while utilizing […]
Not all tuners adjust the ECU calibrations the same, that likely doesn’t surprise you. However what might surprise you is how it’s actually done. Here at ARD we tune each ECU by hand according to the customers environment, vehicle mods and particular driving style. Each file is read out from the ECU then decoded and put into our editor. We then edit the necessary maps, save the file, and load it back to the ECU. By tuning ECU’s this way we can make sure that all the relevant maps and values are edited for optimal performance and efficiency.
Click through for a video example of the Volvo ECU cutting fuel after the parameters go off the map. Now that ambient air temperatures are very low, 9°F (-12°C), the air-fuel mixture is so dense that it’s going off the ECU’s map, and my Volvo’s computer is shutting down the party. It happens at low speeds […]