Hi vp965,

I'm unsure the sensor location on your AW30-40. Though it appears sensible at first glance. I'm unsure.

You can look at the sites that have these exploded drawings for a model range by subcomponent within a year and model on a site like the:

https://www.volvopartswebstore.com/

So, following:

https://www.volvopartswebstore.com/showAssembly.aspx?ukey_assembly=242530&ukey_make=865&ukey_model=11969&modelYear=1996&ukey_category=7869&ukey_driveLine=499

Yep:

22 Engine speed sensor automatic transmission AW30-40/43 LE AW30-40 LE AW30-43 LE

Volvo PN 3515641




FCP Euro wants 129$
https://www.fcpeuro.com/products/volvo-engine-speed-sensor-3515641

TASCA wants 112$

https://www.tascaparts.com/oem-parts/volvo-engine-speed-s-3515641




iPd waants 135$
https://www.ipdusa.com/products/13665/235435-engine-speed-sensor


Volvo Parts Counter wants 105$

https://www.volvopartscounter.com/oem-parts/volvo-engine-speed-s-3515641

Hopefully it is a grimy connector or old transmission fluid that needs a flush to new synthetic. Yet if you test the sensor connector pins, and get no continuity, maybe it is bad?

Or maybe the copper conductor inside the wire insulation has broken? There is not much strain relief or sheath protection in the cable that is part of the sensor.

Hope that helps.

Duffed.
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