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Symptoms - Cruise Control: Notes

WARNING: This page is about a different car, the 2007 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The following steps must be completed before using the symptom tables.
  1. Before using the symptom diagnostic table, perform the Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information in order to verify the following conditions:
    • There are no DTCs set.
    • The module can communicate via the GM LAN.
  2. Review the system operation in order to understand the system functions. Refer to Cruise Control Description and Operation (Adaptive Cruise Control)  or Cruise Control Description and Operation (Conventional Cruise Control) .
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