Center Stack Lower
Vehicle diagnostics have revealed DTC's B10EA & B10E9. If diagnostics lead to
HVAC control head replacement, The 2013 part is no longer available. Update to a
2014 HVAC control unit (1TQ77DX9AJ). When using the newer control head, minor
circuit modification is required. Follow the steps below;
1. Replace HVAC control with latest 2014 part number. (1TQ77DX9AJ or later
version).
2. Replace the 2013 blower power module with a 2014 module (68081871AJ or
later version).
3. Remove C229 circuit from Pin 1 of D3827A Blower Control C1 connector. (Pin 1
will no longer have a wire in that cavity).
4. Splice the C229 circuit to blower control circuit C56 in Pin 3 of D3827A connector.
5. Clear Faults and re-test.
