Test Step 2 - Check For Other Request Circuit Low DTCs

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Volkswagen Routan, 2013 Volkswagen Routan, 2012 Volkswagen Routan, 2011 Volkswagen Routan, and 2010 Volkswagen Routan. However, it is still accessible from the selected car via links, so may be relevant.

With the scan tool, read HVAC DTCs.

Does the scan tool also display the DTCs B102E-Rear Blend Request Input Circuit Low and B113D-Rear Mode Request Low as active?

Yes

Go to TEST STEP 3 - CHECK THE REAR A/C HEATER CONTROL CONNECTOR

Go to TEST STEP 6 - CHECK THE (C11) REAR BLOWER SIGNAL CIRCUIT FOR A SHORT TO GROUND