
Which ELM 327 To Buy?
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…
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…
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,…
I think one of the best things about newer cars is the interior electronics. I want to be able to talk handsfree, navigate via satellite, and play music off a USB drive instead of a CD. For longer trips, I want the phone charging. But I’m a lazy child of the future, and I don’t like plugging things in, swapping things around, etc. I want to have my phone Just Work with the car, with minimal fussing about.
Contrary to conventional wisdom here and on other Volvo sites, the mileage of the 1996 and 1997 Volvo 850 cars can be read from the COMBI (Instrument Panel computer) using an ELM327 device. It does not require a Volvo Scan Tool (VST) or other high cost scanner.
Almost all commonly available ELM327 bluetooth adapters use a Chinese clone of the ELM327 chip. The initial offering of the ELM327 from Elm was not protected; it’s firmware could be easily downloaded, so knockoffs quickly came about. They are much cheaper in quantity than the real ELM327. Finding an adapter with a real Elm Electronics chip is quite difficult, although I haven’t had trouble with the clone. Sometimes it will be reluctant to connect at first, but I suspect this has more to do with bluetooth than anything else.
This is from the procedure to install an in-dash mug holder which requires removal of the radio. One step is VERY tricky…