Suspension inactive fault described as above on icarsoft scanner, now both sides at the rear have dropped would the above description indicate that the sensor is faulty?

Would say that it wouldnt be both sensors.

That was my thoughts, why would both fail together? Front is still ok so would suggest it's not the compressor

What is the fault code? Can you check the live values to see what's being reported? Also take a look at the 4x4 info screen and see if the rear right wheel is showing as way off

It's highly unlikely both failed at the same time. Worth checking that it hasn't come adrift and the connector / wires are okay. Be careful working under the car / in the wheelarch though. Make sure things are properly supported in case the suspension drops suddenly. 2016 Skoda Octavia VRS Estate
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Cheers Mike but it's a bog standard 2003 se so no special gadgets! Lol just remembered I joined the rac a few months ago so will test them out tomorrow

Does the height adjuster do anything? If not, it could be the compressor. Both my rears dropped down to the bump stops a while ago. It was a faulty compressor in the end. No longer FF owner but still interested. Present car Jaguar XE
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Previous car Td6 SE
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Previous LR- Disco 300TDi Auto

No i cleared the fault on the icarsoft scanner and it was still showing up, then the back hit the deck but front is still ok.

With a fail on a sensor on one side, it is quite likely that the car will seek to level itself, hence why both sides are down. Just fix the sensor not working and all should be OK. Rarely does a new sensor need calibration. .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember
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Thanks for the advice joe I've ordered a new sensor so I'll see what happens