Axlyne OBD2 field notes https://axlyne.com/blog Source-backed notes about OBD2 connections, code limits, and data quality. en-us Wed, 05 Aug 2026 00:00:00 GMT BLE, Bluetooth Classic, or Wi-Fi: which OBD2 connection fits your phone? https://axlyne.com/blog/obd2-bluetooth-vs-ble-vs-wifi https://axlyne.com/blog/obd2-bluetooth-vs-ble-vs-wifi Tue, 04 Aug 2026 00:00:00 GMT Compare Bluetooth LE, Bluetooth Classic, and Wi-Fi OBD2 adapters for iPhone and Android before choosing a phone connection. An OBD2 code is a clue with a source. It is not a parts verdict. https://axlyne.com/blog/what-obd2-codes-can-tell-you https://axlyne.com/blog/what-obd2-codes-can-tell-you Tue, 04 Aug 2026 00:00:00 GMT Learn what a generic OBD2 trouble code records, how code status changes its meaning, and why a code alone does not identify a failed part or repair. A scanner can decode a number and still be wrong. Range checks catch impossible values. https://axlyne.com/blog/why-obd2-live-data-needs-range-checks https://axlyne.com/blog/why-obd2-live-data-needs-range-checks Tue, 04 Aug 2026 00:00:00 GMT See how wrong PID echoes, byte counts, formulas, units, unsupported responses, and physical limits can turn OBD2 live data into a misleading number.