Hardware / interface Unverified

OP-COM

Also known as OP-COM V5 and OPCOM

USB interface and Windows software for Opel and Vauxhall diagnostics, adaptations and configuration beyond generic OBD-II.

Independent community profile — not affiliated with the manufacturer.

About OP-COM

OP-COM is a long-standing aftermarket diagnostic system for GM-era Opel and Vauxhall vehicles. Interfaces are sold with firmware versions such as 1.59, 1.70, 1.78, 1.95 and 1.99.

Supported vehicles

  • Opel and Vauxhall models of the GM era, such as Astra G/H/J, Vectra B/C, Zafira A/B/C, Corsa C/D, Meriva and Insignia A.
  • Version 1.70 is generally reported to work with cars up to about 2014. Support for 2015–2018 models (Astra K, Corsa E, Insignia B) is claimed only for newer versions and is unconfirmed.
  • PSA-based Opels from 2017 onward are not covered.

What it can do

  • Module-level codes and live data in most systems.
  • Adaptations, configuration, service resets and output tests. Some versions also offer programming and immobiliser functions on older models.

Strengths

  • Much deeper Opel access than generic scanners, at low cost.

Limitations

  • Quality varies: a PIC18F458 and FTDI chipset is usually recommended.
  • Never update the interface online, as this is known to disable clone units.
  • English-only software.

OBD4 does not provide software, licences or downloads.

Capabilities & coverage

Key capabilities

  • Adaptations
  • Coding
  • Live data
  • Output tests
  • Read & clear fault codes
  • Service reset

Vehicle brands

Compatibility note: coverage listed here is a summary of community-submitted information that staff have not yet reviewed. It is not a guarantee for a specific vehicle, model year or software version. Always check the manufacturer's documentation.

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