Symptoms - Transfer Case
WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
Important:
- Perform the Transfer Case Diagnostic System Check before using the Symptom Tables in order to verify that the following statements are true:
- DTCs are not set.
- The control modules can communicate via the serial data link.
- Review the system operation in order to familiarize yourself with the system functions. Refer to TRANSFER CASE DESCRIPTION AND OPERATION .