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.
Principles of Operation
Vehicles that are not equipped with air suspension have a stand-alone variable assist power steering (VAPS) module. For additional information, refer to STEERING SYSTEM-GENERAL INFORMATION .
The air suspension module is linked to the data link connector (DLC). The air suspension module controls the air suspension and the VAPS. For additional air suspension system information, refer to VEHICLE DYNAMIC SUSPENSION .
The air suspension module is used to monitor and control the VAPS system. The VAPS system controls the level of power assistance available to the driver based on vehicle speed and rate of change in steering position. For additional VAPS system information, refer to STEERING SYSTEM-GENERAL INFORMATION .
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.