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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Diagnostic Information and Procedures >> Symptoms - Cruise Control >> Notes
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Symptoms - Cruise Control: Notes

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 Cruise Control Description and Operation ((With Adaptive Cruise Control)) .
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