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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Cruise Control System) >> Diagnostic Information and Procedures >> Symptoms - Cruise Control >> Notes

Symptoms - Cruise Control: Notes

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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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