HA1 Code 49 Unable to Detect Lowering of Right Front Corner

^ The air suspension control module has not received signal that the right front corner of vehicle vented during the Service Bay Diagnostic check. There are 10 possible causes:

^ Height sensor linkage arm is not connected properly to vehicle and/or height sensor.

^ Air line for right front air spring may be plugged.

^ Right front air spring solenoid valve may be inoperative.

^ Right front air spring B+ power supply circuit may have an open in it.

^ Right front air spring ground return circuit may have an open in it.

^ Vent solenoid valve may be inoperative.

^ Vent solenoid B+ power supply circuit may have an open in it.

^ Vent solenoid ground return circuit may have an open in it.

^ Air suspension control module may be inoperative.

^ Left front air spring may be unable to vent.

GO to HA2.