HB1 Code 50 Unable to Detect Lowering of Left Front Corner

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

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

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

^ Left front air spring solenoid valve may be inoperative.

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

^ Left 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.

^ Right front air spring may be unable to vent.

GO to HB2.