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.
Scan Tool Data Definitions
Compressor Signal: Indicates when the compressor relay is activated.
Controller Battery Volts: Range 10.0 V - 16.0 V This data refers to the battery system voltage as measured by the suspension control module.
Exhaust Signal: Indicates when the exhaust solenoid is commanded on or off.
Left Rear Position Sensor: Range 0.5 V - 4.85 V This data refers to vehicle height measured in volts.
Rear Leveling Air Press: Indicates the system pressure in psi.
Rear Leveling Air Press: Indicates the system pressure in volts.
Right Rear Position Sensor: Range 0.5 V - 4.85 V This data refers to vehicle height measured in volts.
Sensor Supply Voltage: Indicates the voltage being supplied to the sensors from the suspension control module.
Vehicle Speed: The speed of the vehicle.
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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.