Check VDM Function
Retrieve codes. If Code B1342 is present, replace VDM. Repeat ON-DEMAND SELF-TEST and PNEUMATIC TEST under DIAGNOSTIC TEST MODE . Adjust riding height. See RIDING HEIGHT under ADJUSTMENTS & INSPECTION. If Code B1342 is not present, no problem is indicated at this time. Fault may be intermittent. See WIGGLE TEST and SEMI-ACTIVE RIDE CONTROL under DIAGNOSTIC TEST MODES .