Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Cadillac SRX RWD V6-3.6L VIN 7FACTORY OEM SERVICE PROCEDURE
Automatic Level Control
Scan Tool Data Definitions
Automatic Level Control Scan Tool Data Definitions:
The Automatic Level Control (ALC) Scan Tool Data Definitions contains a brief description of all scan tool parameters.
ALC Compressor
The scan tool displays Inactive/Active. The scan tool will display Active when the vehicle trim height is below a preset value. The ALC Compressor inflates the rear airlift shocks until the vehicle reaches the desired trim height. When the vehicle is at the desired trim height, the scan tool will display Inactive.
ALC Exhaust Solenoid
The scan tool displays Inactive/Active. The scan tool will display Active when the vehicle trim height is above a preset value. The ALC Exhaust Solenoid deflates the rear airlift shocks until the vehicle reaches the desired trim height. When the vehicle is at the desired trim height, the scan tool will display Inactive.
Battery Voltage Signal
The scan tool displays 0 - 26.0 volts. The battery voltage represents the system voltage measured at the controller battery input.
DSP Software Version
The scan tool displays the controller DSP software version number for service identification.
EEPROM Calibration ID
The scan tool displays the controller EEPROM calibration ID number for service identification.
GM Part Number
The scan tool displays the controller part number for service identification.
GMSCM Software Version
The scan tool displays the controller GMSCM software version number for service identification.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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