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.
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HOMESERVICE MANUALSCHEVROLET2025TAHOE COMMERCIAL, 4WDREPAIR AND DIAGNOSISSUSPENSIONSUSPENSION CONTROL SYSTEMSSUSPENSION CONTROLS SYSTEMREPAIR INSTRUCTIONSAUTOMATIC LEVEL CONTROL TRIM HEIGHT LEARNAUTOMATIC LEVEL TRIM HEIGHT LEARN
2025 Chevrolet Tahoe Commercial, 4WD
Automatic Level Trim Height Learn
2025 Chevrolet Tahoe Commercial, 4WDSECTION Automatic Level Trim Height Learn
The Automatic Level Trim Height Learn should be performed in any of the following scenarios:
- Air spring replaced
- A Suspension Position Sensor and/or bracket replaced or moved
- K5 Automatic Level Control Module replacement
- Control arm that the Suspension Position Sensor is attached to is removed
- Battery voltage must be between 9 - 15.5 V and ignition on with engine off to run procedure.
- Vehicle ride height must be within specification to complete procedure successfully. Refer to: Trim Height Inspection , and Trim Height Specifications
- When entering trim height in millimeters, it must be entered as 4 digits (e.g. 0959 millimeters).
- Connect a scan tool and check the K5 Automatic Level Control Module for any DTCs and perform repairs as necessary.
- Remove any excess weight from vehicle.
- Place vehicle on a flat surface and set tire pressure to specification.
- Select Control Functions. Equalize the front axle and rear axle.
- Select Configuration/Reset Functions
- Measure the distance between the fender, through the center cap, to the floor in millimeters for each corner.
- Select Trim Height Settings and follow the on screen instructions to enter measurements.
- Select Level Vehicle to Ride Target Height, select Normal Ride Height.
NOTE:
NOTE:
System will sometimes not re-level if it is already in range. If this happens, adjust one level up or down, and back to normal ride height.
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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.