SRX AWD V6-3.0L (2010)
Control Module HVAC: Customer Interest
A/C - Temperature Setting Displays Dashes Or Blank
TECHNICAL
Bulletin No.: 10-01-39-001
Date: February 05, 2010
Subject: HVAC Temperature Setting Display Shows Dashes or HVAC Menu is Blank (Reprogram HVAC Control Module)
Models:
2010 Cadillac SRX
Condition
Some customers may comment that the HVAC temperature settings in the display show only dashes or the HVAC menus may be blank.
Cause
This condition may be caused by a software state or anomaly, which can contribute to one or more of the above conditions.
Correction
Important
Prior to reprogramming the HVAC Control Module, review and perform Bulletin 09-08-44-020A - Intermittent Radio Operation, Audio
Inop/Stuck on Low, Unexpected Volume Changes/Radio Resets, HVAC Displays Blank, Turn by Turn Announcements Inaudible (Radio RPO
UYZ Only-Update Radio Software) in SI. DO NOT replace the HVAC Control Module for this concern.
Reprogram the HVAC Control Module with the latest software calibration.
Important
Select the correct calibration files for the appropriate vehicle configuration (body style) and RPO codes.
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 HVAC System Control Module Programming and Setup in SI.
When using a Tech 2(R) or a Multiple Diagnostic Interface (MDI) for reprogramming, ensure that it is updated with the latest software version.
During programming, the battery voltage must be maintained within the proper range of 12-15 Volts. Only use the approved Midtronics(R) PSC 550
Battery Maintainer (SPS Programming Support Tool EL-49642) or equivalent during programming.
Warranty Information
For vehicles repaired under warranty, use the table above.
Disclaimer
