#troubleshooting
4 posts in Car Diagnostics blog about "troubleshooting" — OBD-II diagnostics, DTC codes, repair. ← All posts
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ELM327 AT commands: the reference every owner eventually needs
The commands your app sends before it shows you a single number. Knowing a handful of them turns a connection problem from a mystery into a diagnosis.
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Key stuck in the ignition: causes and safe fixes
On an automatic this is usually the gear selector, not the lock. On a manual it is usually the steering lock. Both are free to fix if you try them before forcing anything.
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Steering wheel locked and the key will not turn
Nine times out of ten this is not a fault at all, and the fix takes five seconds. The other one time is a lock cylinder, and it is worth knowing which you have before calling anyone.
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ELM327 Not Connecting to Phone: 8 Causes and How to Fix
Step-by-step guide for drivers: why an OBD-II ELM327 adapter fails to pair with Android, how to distinguish BLE from Classic SPP, wrong PIN, device conflicts and what to do.