GM Service Manual Online
For 1990-2009 cars only

Use the scan tool (Special Functions) in order to cycle the RTD shock solenoids, leveling compressor, EVO solenoid and SERVICE RIDE CONTROL message ON or OFF. The table below lists the tests that are available for the real time damping system. The tests are listed in alphabetical order.

Suspension Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Compressor Test

--

Commands the compressor ON and OFF.

EVO Solenoid Test

--

Commands the EVO solenoid ON and OFF.

Exhaust Solenoid

--

Commands the exhaust solenoid ON and OFF.

Left Front Solenoid Valve Test

--

Commands the solenoid valve ON and OFF.

Left Rear Solenoid Valve Test

--

Commands the solenoid valve ON and OFF.

Recalibration

--

Performs re-calibration on the suspension control module.

Ride Control Lamp Test

--

Commands the ride control lamp ON and OFF.

Right Front Solenoid Valve Test

--

Commands the solenoid valve ON and OFF.

Right Rear Solenoid Valve Test

--

Commands the solenoid valve ON and OFF.