Test Step 1 - Verify the DTC is Active
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.
- Turn the ignition ON.
- With the scan tool, erase A/C heater control DTCs.
- Turn the ignition OFF, wait 10 seconds, and turn the ignition ON.
- With the scan tool, read A/C heater Control DTCs.
Does the scan tool display this DTC as active?
Yes
No
- Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform the HVAC Verification Test. Refer to HVAC .