A/C - Uncomfortable Passenger Compartment Temperature
87 Uncomfortable passenger compartment temperature87 13 40
2029136/4
February 11, 2013
Supersedes Technical Service Bulletin Group 87 number 12-35 dated November 14, 2012 for reasons listed.
Vehicle Information
Condition
The customer may report that after selecting a specific temperature in AUTO mode, the resulting airflow and temperature are uncomfortable.
Tip:
The customer complaint is subjective and may be difficult to diagnose during a road test. Please test drive with the customer before as well as after this repair to ensure a thorough understanding of the customer's concern.
Technical Background
At certain outside temperatures and operating conditions, the temperature in the passenger compartment fluctuates. This is caused by the unventilated sensor in the air conditioning control panel. There may also be DTCs stored for mechanical malfunction of one or more air distribution control motors in (08) air conditioning/heating control unit.
Production Solution
New software addresses this condition in the (08) air conditioning/heating control unit (J255), and if equipped, the (28) rear air conditioning/heating control unit (J265).
The sensitivity of the passenger compartment sensor has been optimized.
Service
SVM Update Instructions
1. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.
2. Update the (08) air conditioning/heating control unit (J255) using the SVM action code as listed in the table below if necessary. If equipped, the (28) rear air conditioning/heating control unit (J265) will also be updated by this SVM action code.
Warranty
All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims are subject to review or audit by Audi Warranty.
Additional Information
The following Technical Service Bulletin will be necessary to complete this procedure:
^ TSB 2011732 00 Software Version Management (SVM), operating instructions.
All part and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Dept. and service manuals for the latest information.