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2019 TrailHawk
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It happened on my 2015. The elbow joints at front airbags form leaks, just plastic after all. One was quite apparent when sprayed with soapy water, the other side appeared to be fine but still leaked when compressor was running. Over time, the leak will kill the compressor and cause the vehicle to start throwing these errors.

If it is the elbow joints, MAKE SURE WHOEVER DOES THE WORK does not keep the lines too long. My dealer failed to pay attention to an internal document about replacing those lines that mentioned being a few mm too long would cause the air suspension to not function properly and throw errors. For me, it was causing the brand new compressor to overheat, throw errors, air suspension system stop functioning (or wouldn't raise/lower vehicle), etc. Once they removed the required but miniscule amount from hose, it functioned 100% normally.
Do you have a copy of that TSB?
 
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