Otobiltek Guides

Auto fault detection device blog and technical guides

Review sources checked in technical guides for OBD2 connection, fault code reading, device selection, service procedures, and comparisons of Launch, Autel, Ancel, and Thinkcar products.

Technical Guides

Review by application, vehicle group, and device class.

Each topic is explained on its own page with comparison criteria, limitations, and checked sources.

Auto Electrical Diagnostics Guide

How to choose an automotive electrical diagnostic tool?

When choosing an automotive electrical diagnostic tool, distinguish full system scan, live data, and active test from measurement equipment; find the coverage suitable for your workshop.

How to choose an auto electrical diagnostic tool? Review the guide

Independent VCI Selection Guide

Universal OEM diagnostic tool selection guide

When looking for a universal diagnostic tool, we explain what Delphi DS150E, Autocom CDP Plus, and Delphi Autocom refer to; how to check software, connectivity, and vehicle coverage.

Universal OEM Diagnostic Tool Selection Guide. Review the guide

OBD2 Compatibility

What vehicles can be used with an OBD2 device?

Examine OBD and OBD2 device vehicle, model year, protocol, and system compatibility; differences in engine, ABS, airbag, transmission, and service functions.

Which vehicles use OBD2 devices? Review the guide

Used Mercedes Inspection

How to perform Mercedes mileage inquiry?

Learn how to compare the odometer reading, digital service history, dated documents, and vehicle module data during the Mercedes KM inquiry process.

How to check Mercedes mileage? Review the guide

Volkswagen Group Device Guide

How to choose a diagnostic tool for ODIS?

Compare ODIS diagnostic tool options: VAS 6154, 6154A/6154B, SAE J2534 PassThru, aftermarket 6154A, and VAG-COM classes; based on DoIP, USB, license, and authorization.

How to choose a diagnostic tool for ODIS? Review the guide
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