GM Service Manual Online
For 1990-2009 cars only
Table 1: CVRSS Module
Table 2: Rear Intergration Module (RIM)

CVRSS Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Automatic Level Control Test

ALC Compressor Test

Commands the compressor ON and OFF.

Automatic Level Control Test

ALC Exhaust Valve Test

Commands the exhaust valve ON and OFF.

CVRSS Recalibration

ALC Trim Set

Commands the recalibration of the module for ride hieght.

Rear Intergration Module (RIM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Special Funtions

ALC Compressor Relay

Commands the relay ON and OFF.

Special Funtions

ALC Exhaust Solenoid

Commands the solenoid ON and OFF.

Recalibration

ALC Trim Set

Commands the recalibration of the module for ride height.