On at start-up, therefore nothing to do with the compressor's ability to pump quickly enough.
Has any diagnostic tool other than your Nanocom been used to retrieve the fault codes? The warning light being on at start-up should have stored a code, possibly for an open circuit on a cross-link or reservoir valve.
Until the cause is found and resolved you would do well to remove the 20A suspension system fuse from the engine bay fuse box to stop the suspension lowering (its required to operate the valves) and the 5A suspension system fuse from the passenger compartment fuse box (ignition-on feed) to stop the annoying 50 kph messages every minute or so.
MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
VK2HFG and APRS W1 digi, RTK base station using LoRa
Originally Posted by Graeme
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