I have recently picked up 2 Range rover sports, both prefacelift 2007 and a 2008.
I have one that has the suspension sat on its bump stops, Red suspension light on dash and no light on the suspension control panel on the centre console.

I have scanned the car and i am getting:
C1A00-01 Control Module
U0132-87 Lost communication with ride level control module
U0421-81 Invalid data recieved from ride level control module
U0132-86 Lost communication

The car has been sat for a while (6 Months) and i have had it jump started and running for a good 30-40 mins on idle and it didnt engage the compressor.
The rear suspension slightly adjusts up then down again but its very intermittent.
The bags all look in good condition aswell as the compressor.
I have tried erasing the codes but the U0132 AND U0421 are hard codes and will not erase.
I have tried recalibrating the suspension but it wont let me because it keeps not being able to communicate.

Is there any sort of reset i can do?

Any help would be highly appreciated and i would love to get it working again.

 

What diagnostic tool do you have? If you have a GAP you can try "re-enable" suspension and see how they react.

 

Thanks, i have a XTOOL IP616. i have tried to recallibrate but it does not work, it keeps kicking me out as it cannot detect the module. I tried to enable the compressor but yet again it cannot communicate. I have tried my cheapie obd2 and it cannot read the module