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.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.