HB17 Vent Left Front Spring

^ To vent left front air spring, the following action is required:

^ Release STAR test button so that it remains in the up HOLD position after code 22 has been displayed for at least 5 seconds.

NOTE: As long as STAR test button remains in the up HOLD position the left front air spring will continue to vent. When the desired amount of venting has occurred depress STAR test button so that it remains in the TEST position.

^ Left front corner of the vehicle has vented down to the normal ride height:

Very slowly or none at all -- DEPRESS STAR test button down so that it remains in the TEST position then GO to HB18.

Slowly or at a normal rate -- If right front corner of the vehicle also has leveling problems fix them first. Otherwise REPEAT Service Bay Diagnostics and if problem still occurs, REPLACE air suspension control module and then REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes