PIT4204A
Service Bulletin Details
Public Details for: PIT4204A
This preliminary information communicates the normal operation of the cj2 automatic hvac system
- 2009 - 2008 - 2007 - 2006 - 2005 - 2004 - 2003 - 2002 -
Models from 2009
| 2009 CHEVROLET TRAILBLAZER |
| 2009 GMC ENVOY |
Models from 2008
| 2008 CHEVROLET TRAILBLAZER |
| 2008 GMC ENVOY |
| 2008 SAAB 9-7X |
Models from 2006
| 2006 BUICK RAINIER |
| 2006 CHEVROLET TRAILBLAZER |
| 2006 CHEVROLET TRAILBLAZER EXT |
| 2006 GMC ENVOY |
| 2006 GMC ENVOY XL |
| 2006 SAAB 9-7X |
Models from 2005
| 2005 BUICK RAINIER |
| 2005 CHEVROLET TRAILBLAZER |
| 2005 CHEVROLET TRAILBLAZER EXT 370 |
| 2005 GMC ENVOY |
| 2005 GMC ENVOY XL 370 |
| 2005 GMC ENVOY XUV |
| 2005 SAAB 9-7X |
Models from 2004
| 2004 BUICK RAINIER |
| 2004 CHEVROLET TRAILBLAZER |
| 2004 CHEVROLET TRAILBLAZER EXT |
| 2004 GMC ENVOY |
| 2004 GMC ENVOY XL |
| 2004 GMC ENVOY XUV |
| 2004 OLDSMOBILE BRAVADA |
Models from 2003
| 2003 CHEVROLET TRAILBLAZER |
| 2003 CHEVROLET TRAILBLAZER EXT |
| 2003 GMC ENVOY |
| 2003 GMC ENVOY XL |
| 2003 GMC ENVOY XUV |
| 2003 OLDSMOBILE BRAVADA |
Models from 2002
| 2002 CHEVROLET TRAILBLAZER |
| 2002 CHEVROLET TRAILBLAZER EXT |
| 2002 GMC ENVOY |
| 2002 GMC ENVOY XL |
| 2002 OLDSMOBILE BRAVADA |
Bulletin No.: PIT4204A Published date: 08/28/2019 Preliminary Information PIT4204A CJ2 HVAC Recirculation Door Operation in Manual Mode Models Brand: Model: Model Years: VIN: from to Engine: Transmissions: Buick Rainier 2004 - 2008 All All All All Chevrolet Trailblazer 2002 - 2009 All All All All Chevrolet Trailblazer EXT 2002 - 2009 All All All All GMC Envoy 2002 - 2009 All All All All GMC Envoy XL 2002 - 2009 All All All All GMC Envoy EXV 2002 - 2009 All All All All Oldsmobile Bravada 2002 - 2004 All All All All Saab 97x 2005 - 2008 All All All All The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition / Concern While operating the CJ2 Automatic HVAC in manual mode, bi-level or vent, some customers may comment that the recirculation mode will not stay ON for longer than 10 minutes and/or default to the OFF position after the ignition is cycled from On to Off and back On again. Recommendations / Instructions This is the normal operation of the CJ2 automatic HVAC system and no parts should be replaced. Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. © 2019 General Motors. All Rights Reserved.