IB1 Star Code 53 Unable to Detect Raising of Left Front Corner

^ The air suspension control module has not received signal that left front corner of vehicle was raised during the Service Bay Diagnostic check. There are nine possible causes of this which are listed below:

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

^ An airline may be inoperative.

^ 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.

^ Air compressor may be inoperative.

^ Air compressor B+ power supply circuit may have an open in it.

^ Air compressor ground return circuit may have an open in it.

^ Air suspension control module maybe inoperative.

GO to IB2.