This guide walks you through how to perform a suspension position sensor trim height calibration on a 2015 GMC Yukon using Launch X431 diagnostic tool. Completing this procedure helps ensure proper suspension alignment, leading to improved ride quality and enhanced driving stability.
Function Overview:
Suspension Position Sensor Trim Height Calibration
Test Vehicle:
2015 / GMC / Yukon
Compatible Devices:
All advanced diagnostic tools from LAUNCH (such as X431 PAD V, PAD VII, PRO5, PRO3 V+ Elite, etc.)
Demonstration Device:
X-431 PAD9 LINK
Steps:
Enter [Local Diagnose]
Select GM → GM software (e.g. V49.80) → Auto Search
Confirm automatic VIN reading
Check and confirm the vehicle details
Tap [Smart Detection] to perform a full system scan
Access the [Suspension Control Module (SCM)]
Go to Special Functions → Suspension Position Sensor Trim Height
Wait until the calibration process finishes
Refer to [Service Manual] for additional guidance if needed
