Air Conditioning Control Module Product Features and Applicable Vehicle Models Product Features Direct Compatibility - This air conditioning control module is fully compatible with the original module of specific vehicle models in terms of appearance and function, and can be used directly without additional modifications. Functional Testing - This module has undergone rigorous testing to ensure consistent operation with the original module, stably restoring all functions of the vehicle's air conditioning and heating systems. Easy Installation - Low operating threshold; no special vehicle knowledge is required for correct installation and setup, suitable for DIY replacements and professional repair scenarios. Reliable Quality - Stable product performance and long service life. Applicable Models and Years Series 1500: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 models (This product is compatible with the 4.3L V6 base engine and the 5.3L V8 high-end engine) 2500: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 models; 2016, 2017, 2018, 2019, 2020, 2021 models (Covering multi-seat versions and different powertrain configurations, including aftermarket options) (6.6L V8 gasoline engine models) 3500: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 model years; Freight: 2009, 2010, 2011, 2012, 2013, 2014 model years; 2015, 2016, 2017, 2018, 2019, 2020, 2021 model years. Pasajeros: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 models G30: 1996, 2001, 2002 models Series G2500: 1996, 1997 models G3500: 1996, 1998, 1999, 2000, 2001, 2002 models 1500: 2001, 2002 Models 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Model 2500: Models 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 (Compatible with multiple engine versions, including a 6.0L V8 engine, and compatible with automatic climate control systems)