Hiace headlight range control fault

My 2022 Toyota Hiace, diesel engine, has developed a fault with the headlight range control at 134489 km. The error memory is storing a fault, and the warning light is on in the speedometer. The low beams are either pointing too low or too high, making night driving a pain. Has anyone experienced similar? Could it be a defective servomotor? I've checked the electrical connectors, but all seems fine.

4 comment(s)

I own a Hiace myself, and your issue sounds remarkably similar to a problem I encountered some time ago. Are your headlights the adaptive type? The symptoms you describe, particularly the inconsistent low beam direction and the stored error code, strongly suggest a fault within the headlight's auto-leveling system. Is the range control reacting at all?

Thanks for the quick response. Yes, they are the adaptive type, the ones that move slightly when you start the engine. They do move, but very little, and not consistently. Does that sound like the same issue you had?

Indeed, that mirrors my experience precisely. The servomotor is almost certainly the culprit. Unfortunately, there isn't a reliable DIY fix for this. A diagnostic check at a reputable workshop would confirm this, but be prepared for a replacement. From my experience, it's best to replace the entire headlight unit, as the servomotor is not always available separately. It's not cheap, I am afraid.

Thanks for confirming my suspicions. I took it to the workshop, and as you predicted, it was indeed a defective servomotor in the headlight unit. Had the unit replaced - cost me 1040€ all in. At least it's sorted now. Cheers!

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