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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Cruise Control System) >> Diagnostic Information and Procedures >> Symptoms - Cruise Control >> Notes
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Symptoms - Cruise Control: Notes

WARNING: This page is about a different car, the 2020 Cadillac CT4. 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. Before using the symptom diagnostic table, perform the Diagnostic System Check - Vehicle in order to verify the following conditions:
    • There are no DTCs set.
    • The module can communicate via the serial data.
  2. Review the system operation in order to understand the system functions. Refer to Cruise Control Description and Operation .
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