I have seen a few different wtiteups on how to do this and they confused me. If your compressor isnt turning on try this first. Start with the key out of the ignition. I just had to do mine and here is the procedure to reset the air suspension ecu:
1) Make a jumper wire and jumper the OBD2 connector pin 13 to pin 4.
2) Turn key to on, do not start engine.
3) Pump brake 8 times quickly.
4) Turn off key and remove jumper.
1) Make a jumper wire and jumper the OBD2 connector pin 13 to pin 4.
2) Turn key to on, do not start engine.
3) Pump brake 8 times quickly.
4) Turn off key and remove jumper.
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