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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> Symptoms - Seat Heating and Cooling >> Notes

Symptoms - Seat Heating and Cooling: Notes

WARNING: This page is about a different car, the 2017 GMC Acadia. 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 - Vehicle before using the symptom tables in order to verify that all of the following are true:
    • There are no DTCs set.
    • The control module(s) can communicate via the serial data link.
  2. Refer to the system description and operation from the following list in order to familiarize yourself with the system functions:
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