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Home >> Chevrolet >> 2016 >> Suburban 3500 HD LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Shift Lock Control System) >> Diagnostic Information and Procedures >> Symptoms - Automatic Transmission Shift Lock Control >> Notes
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Symptoms - Automatic Transmission Shift Lock Control: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

The following steps must be completed before using the symptom tables.

  1. Perform the Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the following are true:
    • There are no DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Description and Operation .
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