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Possible Causes

Possible Causes
HVAC ACTUATOR LEARN ROUTINE NOT PERFORMED AFTER HVAC MODULE REPLACEMENT
HVAC ACTUATOR LEARN ROUTINE FAILED DUE TO DOOR ACTUATOR MECHANICAL PROBLEM
HVAC MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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