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
Accum Fault-Compressor: Defined period of time the compressor is active with out an exhaust cycle.
ALC Compressor Active: Indicates when the compressor is running.
ALC Exhaust Solenoid Active: Indicates when the exhaust solenoid is on.
ALC Relearn: This procedure reprograms the RIM with the ride height specification, per the suspension option.
Battery Low-Compressor: This indicates when there is low voltage at compressor.
Calibration I.D.: This number designates the modules calibration.
Exhaust: Defined period of time that the exhaust is active with out a compressor cycle.
Filtered Position Valve: As the vehicle operates the suspension position sensor is monitored, and the information is filtered, to the RIM so it can adjust the suspension.
Leveling Sensor Feed: Voltage feed to the suspension position sensor.
Progress Fault-Compressor: Defined period of time the that the compressor is active, and a change is not detected by the sensor.
Progress Fault-Exhaust: Defined period of time that the exhaust is active and no change is detected at the sensor.
Prom I.D.: The modules internal "PROM" identifier.
Suspension Position Sensor: Indicates the sensor signal voltage to the control module.
Trim Value: A value programed in the RIM
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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.