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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 437 (Cruise Control System) >> Diagnostic Information and Procedures >> Symptoms - Cruise Control >> Notes
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Symptoms - Cruise Control: Notes

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. 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 System Check - Vehicle , in order to verify the following conditions:
    • There are no DTCs set.
    • The module 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 .
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