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Symptoms - Automatic Level Control: Notes

IMPORTANT: The following steps must be completed before using the symptom tables.
  1. Perform the Automatic Level Control Diagnostic System Check before using the symptom table in order to verify that all of the following are true:
    • There are no DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Level Control Description and Operation .
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