× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2002 Chevrolet Trailblazer LS 4.2L Mode controls
Posted to GM HVAC on 12/11/2014 20 Replies

Have this trailblazer here with dual auto hvac that wont put heat on the floor. There are no DTC's and the temp sensors data looks good.

Defrost actuator counts stay high and won't move when commanded.

The published info from alldata leads to another HVAC c...

20 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Trailblazer LS

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Trailblazer LS

VIN 1GNDT13S32
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMode Controls
ConditionsInop
Misc.Dual Zone Auto HVAC
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Trailblazer LS

VIN 1GNDT13S32
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMode Controls
ConditionsInop
Misc.Dual Zone Auto HVAC