r/OBD2

I'm building a Vehicle Management with OBD2 analytics layer HA integration. Unfortunately, I hit the wall with OBD2 data availability. I have only a few Toyotas (petrol, hybrids, diesel) to test against.

Since OBD2 data varies from app to app and manufacturer to manufacturer, I want this integration to handle your cars, not only mine.

I am looking for raw CSV exports from OBD2 apps (Torque, Car Scanner, OBD Fusion, etc.). Ideally, it would be data covering a few minutes of drive with idle (so data have some range), but any data will be helpful.

Please scrub GPS, VIN and any location/identity information from your CSV files (GPS, Latitude, Longitude, VIN). Keep the timestamps and column names (crucial).

Would be great to share Make / Model / Year / Engine, OBD adapter (ELM327 clone, vLinker, OBDLink, etc.), which app produced the CSV.

How to share your CSV?

Attach the CSV to a GitHub issue herelink

Thank you in advance!

Hello, I have a VAG group car, but don't recommend me VCDS, because there are Toyota and BMW group cars in the family, so I want that scanner to work on many brands. What diagnostic equipment would you suggest, something up to 100 euros. I need a simple one that can be plugged into the car (bluetooth). Also, I want that it could find and delete errors, show live data and allow you to reset the maintenance things. Coding is not necessary, but it would be an advantage.

Hi everyone,
I’m looking for advice on a strange issue with my 2008 Fiat Linea 1.4 T-Jet.
About 3 months ago I installed an aftermarket Android head unit and reverse camera without a CAN-BUS adapter. The radio was powered from the cigarette lighter circuit, and CAN wires were left disconnected and insulated. The car worked perfectly for 3 months afterward.
About 2 weeks ago I lost my key and had a locksmith cut and program a new one. The car started and drove normally, and I covered around 70 km with no issues.
A week ago I removed the Blue&Me (Microsoft) module to access the cabin filter, cleaned the filter, and reinstalled everything. About 1–2 hours later, while reversing uphill, the engine suddenly became very weak and barely responded to the accelerator.
The RPM would increase very slowly, the check engine light came on, and eventually the accelerator pedal stopped responding completely. The engine still idled, but after several restarts the idle speed kept dropping until the engine would no longer start.
What I found:
Strong spark on all cylinders.
Fuel pump primes normally.
Injectors can be heard clicking.
Spark plugs remain dry.
Engine cranks but does not start.
Diagnostic fault codes:
U1600
U1602
U1700
U1705
CAN measurements at the OBD port:
Pin 6 to Pin 14 = OL (open circuit)
Pin 6 to ground = 0.2–0.4 V
Pin 14 to ground = 10–11 V
Pin 6 to Pin 14 = about 11 V
The aftermarket radio and camera are now completely disconnected, but the problem remains.
A weak battery is also possible, as I was told a few months ago that it may have a bad cell, but even with a booster pack the car still won’t start.
Could a failed Blue&Me module, BCM, CAN wiring fault, or another module on the CAN network cause these symptoms and prevent starting?
Any ideas on what to check next?