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Old 09-28-2012, 03:14 AM   #380
Focus Fanatic
Join Date: Jul 2011
Fan#: 88299
Location: Torrance, CA
What I Drive: 2012 sterling gray Titanium

Posts: 2,931
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For anyone with the HVAC problem: Try accessing the IPC (Instrument Panel Cluster) test mode and see if you are getting DTC code C164_00.

C164_00: Lost Communication With HVAC Control Module

Test mode: Press and hold the OK button before turning on the ignition and continue holding it after turning on the ignition.
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