Opel B2585- 00 [best] Jun 2026

The diagnostic trouble code (DTC) in Opel vehicles refers to a Park Lamp Control Circuit malfunction . While the generic OBD-II definition sometimes cites "Anti-Theft Input Signal," for the Opel/Vauxhall and GM family (including Astra, Insignia, and Zafira), it specifically points to an issue with the circuit managing the parking lights (sidelights) . Understanding the B2585-00 Code

: Test the ground wire (typically Pin 2 or Pin 4 depending on the lamp) for continuity to the chassis. Recommended Diagnostic Steps opel b2585- 00

| Feature | Details | |---------|---------| | | B2585-00 | | Meaning | Low beam headlamp circuit malfunction | | Primary cause | Burned out bulb or bad connection | | Fix cost (DIY) | ~$10–30 for bulb + 15 minutes | | Fix cost (shop) | ~$80–150 (diagnostic + bulb) | | Will it pass inspection? | No – low beams mandatory | | Can I drive? | Yes (daytime only) – illegal at night | The diagnostic trouble code (DTC) in Opel vehicles