HVAC Control Knobs Inoperative and HVAC System May Not Respond to Control Head Settings After a Remote Start Event (Reprogram HVAC Control Module)
| Subject: | HVAC Control Knobs Inoperative and HVAC System May Not Respond to Control Head Settings After a Remote Start Event (Reprogram HVAC Control Module) |
| Models: | 2008 Chevrolet Captiva |
| 2008 Saturn VUE |
| with Remote Vehicle Start System (RPO AP3) and Automatic HVAC System (RPO C68) |
Condition
Some customers may comment that after using the remote start, the Heating, Ventilation and Air Conditioning (HVAC) Control knobs are inoperative. Other customers may comment that the HVAC system may not respond to the control head settings after starting the vehicle with the Remote Start Button.
Cause
This condition may be caused by a software anomaly within the HVAC control module that results in the control head locking up after using the remote start.
Correction
Do This | Don’t Do This |
|---|---|
Reprogram the HVAC control module. | Do not replace the HVAC control head, module or transmitter. |
A revised calibration has been developed to address this condition. Technicians are to reprogram the HVAC Control Module using the Service Programming System (SPS) with the latest software available on TIS2WEB. Refer to the HVAC Control Module Programming and Setup procedures in SI. As always make sure your Tech 2® is updated with the latest software version.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
D4707 | HVAC Control Head Module or Assembly Reprogramming with SPS | Use Published Labor Operation Time |
