LaCrosse V6-3.8L VIN 2 (2005)
Control Module HVAC: Customer Interest
A/C - Cold Air From I/P Vents When Using Remote Start
Bulletin No.: 05-01-38-003B
Date: November 09, 2005
TECHNICAL
Subject:
HVAC Blows Cold Air From IP Vents When Using Remote Start (Replace HVAC Control Module)
Models:
2005 Buick Allure (Canada Only), LaCrosse
2005 Pontiac Grand Prix
with Remote Start (RPO AP3) and Manual HVAC Controls (RPO C67)
Supercede:
This bulletin is being revised to add the Buick Allure/LaCrosse and update the parts information. Please discard Corporate Bulletin Number
05-01-38-003A (Section 01 - HVAC).
Condition
Some customers may comment that the HVAC system blows cold air from the instrument panel vents when using the remote start function. This means
they are unable to warm-up the vehicle using remote start.
Cause
The cause of this condition may be due to incorrect programming of the processor chip in the HVAC control module.
Correction
Replace the HVAC control module.
Parts Information
Warranty Information
