2004 Lincoln Navigator 4WAS air suspension

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Suspension problem
2004 Lincoln Navigator V8 Four Wheel Drive Automatic

Hello, I am an interprovincial licensed mechanic in Ontario Canada (near Toronto). Fault code c1725 and c1726 for front and rear "AS" faults, replaced both front and the rear sensores, claered codes and sent to locale dealer for "recalibration" and ride height-trim to bet set. Vehicle came back too low in front ride height. Fault code c1725 front "AS" fault reset. Front sensors are mounted on the correct sides and links still connected. Sent vehicle back to have the ride height trim in front reset closer to a more level trim, vehicle came back, now trim heights good BUT c1991 calibration module fault will not clear, did dealer "kill" module, pump runs, "check air suspension" illuminated on "DIC" Using Snap-On MODIS and soon to be with a J2534, but a little stumped, Anyone have an idea?

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Thursday, May 13th, 2010 AT 9:30 PM

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