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Symptoms - Cruise Control: Notes

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. 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. Perform the Diagnostic System Check - Cruise Control (3.4L)  or Diagnostic System Check - Cruise Control (3.6L)  before using the Symptom Tables in order to verify that all of the following are true:
    • There are not any DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review the system operation in order to understand the system functions. Refer to Cruise Control Description and Operation (3.4L)  or Cruise Control Description and Operation (3.6L) .
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