Inside Rearview Mirror Ambient Temperature Display Inaccurate or Will Not Update Properly (Reprogram HVAC Control Module)
| Subject: | Inside Rearview Mirror Ambient Temperature Display Inaccurate Or Will Not Update Properly (Reprogram HVAC Control Module) |
| Models: | 2007 Cadillac Escalade Models |
| with Automatic Dimming Rearview Mirror with Intellibeam®, OnStar®, Compass and Temperature Display (RPO DF5) and Intellibeam® High Beam Control (RPO TQ5) |
Condition
Some customers may comment on an inaccurate ambient temperature display on the inside rearview mirror. Others may comment that the ambient temperature display does not update properly.
Correction
Do This | Don't Do This |
|---|---|
Reprogram the HVAC Control Module. | Do not replace the inside rearview mirror or the ambient temperature sensor. |
A revised calibration has been developed to address these conditions. Technicians are to reprogram the Heating, Ventilation and Air Conditioning (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 procedure in SI (Document ID# 1741202). 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 | 0.4 hr |
*This labor operation number is for bulletin use only. The number will not be published in the Labor Time Guide. | ||
