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manfredswift1

Astra Headlight Range Control Error

I've got a persistent error in my 2023 Vauxhall Astra diesel, with a warning light on the speedometer. The low beams shine either too far down or up. Diagnostics suggest a servomotor malfunction in the headlight assembly, impacting the auto-leveling. Has anyone seen this?

Summary of the thread

A 2023 Vauxhall Astra diesel owner reported a persistent headlight range control error, with low beams shining incorrectly due to a suspected servomotor malfunction in the headlight assembly affecting auto-leveling. A suggestion was made to inspect the electrical connectors for loose or corroded connections, as these can cause similar issues. Ultimately, a certified workshop confirmed the servomotor defect, requiring replacement to resolve the problem.

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4 comment(s)

linadavis1

I understand your predicament. I own an older Astra and had a similar issue with my headlights. The error message, warning light, and erratic beam direction mirror my experience. Have you inspected the electrical connectors to the headlight unit? A loose or corroded connection can wreak havoc, especially on the adaptive headlights.

manfredswift1 (community.author)

Regarding the electrical connectors, where are they located and how should I inspect them? Were there any other diagnostic steps you took before checking the connectors? Any clarity would be appreciated.

linadavis1

On my Astra, the primary connector for the headlight assembly is directly behind the headlight unit, accessible after removing the protective cover. It's a multi-pin connector, so ensure each pin is secure and free from corrosion. I initially explored potential sensor failures, but the consistent symptoms pointed to the headlight's movement. Given the complexity, especially with auto-leveling, I'd advise consulting a qualified workshop to save time and potential frustration.

manfredswift1 (community.author)

Following your suggestion, I consulted a certified workshop. The diagnosis confirmed a defective servomotor within the headlight, needing replacement. The total cost was 1040€.

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VAUXHALL

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ASTRA