Diagnostic Instructions
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 GMC Yukon XL, 2020 GMC Yukon, 2020 Chevrolet Tahoe, 2020 Chevrolet Suburban, and 2020 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
- Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.
- Using the scan tool, select K36 Inflatable Restraint Sensing and Diagnostic Module.
- Select Configuration/Reset Functions.
- Select Configure New Module and follow the on-screen instructions.
- If any setup inhibit resents are present, they will be identified on the scan tool. Refer to the reference information below for the inhibit reason and correct as necessary.