Acadia AWD V6-3.6L (2008)
Outside Temperature Display Sensor: All Technical Service Bulletins
Instruments - Temperature Display Inaccurate
TECHNICAL
Bulletin No.: 08-01-39-008A
Date: March 30, 2009
Subject:
Ambient Air Temperature Sensor Display In Instrument Panel Cluster (IPC) Inaccurate Or Reads Too High (Reposition Ambient Air Temperature
Sensor and Reprogram HVAC Control Module)
Models:
2007-2008 GMC Acadia
2007-2008 Saturn OUTLOOK
Supercede:
This bulletin is being revised to update the parts information. Please discard Corporate Bulletin Number 08-01-39-008 (Section 08 - Body and
Accessories).
Condition
Some customers may comment that the ambient temperature display is inaccurate or reads too high.
Correction
Technicians are to relocate the ambient air temperature sensor to a new location and reprogram the Heating Ventilation And Air Conditioning (HVAC)
Control Module using the following procedure:
1. Open the hood.
2. Remove the front compartment sight shield. Refer to the Front Compartment Sight Shields Replacement procedure in SI.
3. Disconnect the wiring harness to the ambient air temperature sensor. Remove the ambient air temperature sensor. Refer to the Ambient Air
Temperature Sensor Replacement procedure in SI.
4. Remove both front tire and wheel assemblies. Refer to the Tire and Wheel Removal and Installation procedure in SI.
5. Remove both front wheelhouse liners. Refer to the Front Wheelhouse Liner Replacement (Front) procedure in SI.
6. Disconnect the wiring harness to both front fog lights.
7. Remove the front bumper fascia. Refer to the Front Bumper Fascia Replacement procedure in SI.
8. Hold the new ambient air temperature sensor in position on the front bumper beam as shown in the illustration above. Measure 145 mm (53/4 in)
from the edge of the bumper beam bracket (callout 2 above) to the locating pin on the sensor bracket (callout 1 above). Mark the front bumper
beam next to the locating pin on the ambient air temperature sensor bracket with a paint pen as shown at callout 1.
