Service bulletin PIT5099E

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10178385
Published by NHTSA	2020-08-10
Manufacturer's number	PIT5099E
Manufacturer's date	2020-07-27
NHTSA component	VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
BUICK CASCADA	2016, 2017, 2018
BUICK CENTURY	2000, 2001, 2002, 2003, 2004, 2005
BUICK ENCLAVE	2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
BUICK ENCORE	2013, 2014, 2015, 2016, 2017, 2018
BUICK ENVISION	2016, 2017, 2018
BUICK LACROSSE	2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
BUICK LESABRE	2000, 2001, 2002, 2003, 2004, 2005
BUICK LESABRE	2006
BUICK LUCERNE	2006, 2007, 2008, 2009, 2010, 2011
BUICK LUCERNE	2012
BUICK PARK AVENUE	2000, 2001, 2002, 2003, 2004, 2005
BUICK RAINIER	2004, 2005, 2006, 2007
BUICK REGAL	2000, 2001, 2002, 2003, 2004
BUICK REGAL	2005
BUICK REGAL	2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
BUICK RENDEZVOUS	2002, 2003, 2004, 2005, 2006, 2007
BUICK RIVIERA	2000
BUICK TERRAZA	2005, 2006, 2007
BUICK TERRAZA	2008
BUICK VERANO	2012, 2013, 2014, 2015, 2016, 2017
CADILLAC ATS	2013, 2014, 2015, 2016, 2017, 2018
CADILLAC CATERA	2000, 2001
CADILLAC CT6	2016, 2017, 2018
CADILLAC CTS	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CADILLAC CTS-V	2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC DEVILLE	2000, 2001, 2002, 2003, 2004, 2005
CADILLAC DTS	2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ELDORADO	2000, 2001, 2002
CADILLAC ELR	2014, 2015, 2016, 2017
CADILLAC ESCALADE	2000
CADILLAC ESCALADE	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CADILLAC ESCALADE ESV	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV	2017, 2018
CADILLAC ESCALADE EXT	2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 1500	2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SEVILLE	2000, 2001, 2002, 2003, 2004
CADILLAC SRX	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
CADILLAC STS	2005, 2006, 2007, 2008, 2009, 2010, 2011
CADILLAC STS	2012
CADILLAC XLR	2004, 2005, 2006, 2007, 2008, 2009
CADILLAC XT5	2017, 2018
CADILLAC XTS	2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET 3500	2016
CHEVROLET 4500HD	2018
CHEVROLET 5500HD	2018
CHEVROLET ALERO EXPORT	2000 to 2002
CHEVROLET ASTRO	2000 to 2005
CHEVROLET AVALANCHE	2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVALANCHE 1500	2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 2500	2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVEO	2004, 2005, 2006
CHEVROLET AVEO	2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET B7	2001
CHEVROLET B7 MEDIUM DUTY	2000
CHEVROLET BLAZER	2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET BOLT EV	2017, 2018
CHEVROLET C SERIES	2003 to 2009
CHEVROLET CAMARO	2000, 2001, 2002
CHEVROLET CAMARO	2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET CAPRICE	2003 to 2004
CHEVROLET CAPRICE	2011 to 2017
CHEVROLET CAPTIVA	2008
CHEVROLET CAPTIVA	2012 to 2018
CHEVROLET CAPTIVA SPORT	2009
CHEVROLET CAPTIVA SPORT	2010, 2011
CHEVROLET CAVALIER	2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET CHEVEROLET SS	2014 to 2017
CHEVROLET CHEVY VAN	2000
CHEVROLET CHEYENNE	2017
CHEVROLET CITY EXPRESS	2015, 2016
CHEVROLET CLASSIC	2004 to 2006
CHEVROLET COBALT	2005, 2006, 2007, 2008, 2009, 2010
CHEVROLET COLORADO	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
CHEVROLET COLORADO	2014
CHEVROLET COLORADO	2015, 2016, 2017, 2018
CHEVROLET CONVENTIONAL	2001
CHEVROLET CONVENTIONAL	2003
CHEVROLET CORVETTE	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET CRUZE	2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET EPICA	2005
CHEVROLET EQUINOX	2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET EXPRESS	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET F SERIES	2005 to 2006
CHEVROLET G SERIES	2000
CHEVROLET G VAN BUS	2001 to 2002
CHEVROLET G VAN BUS	2004 to 2006
CHEVROLET H SERIES	2001
CHEVROLET HHR	2006, 2007, 2008, 2009, 2010, 2011
CHEVROLET IMPALA	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET L SERIES	2001 to 2002
CHEVROLET LOW CAB FORWARD 4500	2017
CHEVROLET LOW CAB FORWARD 5500	2017
CHEVROLET LUMINA	2000, 2001
CHEVROLET LUMINA	2002
CHEVROLET M SERIES	2000 to 2002
CHEVROLET M VAN	2001
CHEVROLET MALIBU	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET METRO	2000, 2001
CHEVROLET MONTE CARLO	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
CHEVROLET N300	2014 to 2016
CHEVROLET N300	2018
CHEVROLET N300 MAX	2017
CHEVROLET OPTRA	2004, 2005, 2006, 2007
CHEVROLET ORLANDO	2017
CHEVROLET P SERIES	2000 to 2001
CHEVROLET PRIZM	2000 to 2002
CHEVROLET S10	2000 to 2004
CHEVROLET S10	2016 to 2018
CHEVROLET SILVERADO 1500	2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500	2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500 HD	2002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 2500	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2000, 2001 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC	2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET SPARK	2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET SPARK EV	2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SSR	2003, 2004, 2005, 2006
CHEVROLET SUBURBAN	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET T SERIES	2003, 2004, 2005, 2006, 2007, 2008, 2009
CHEVROLET T SERIES	2010
CHEVROLET TAHOE	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET TRACKER	2000, 2001, 2002, 2003, 2004
CHEVROLET TRAILBLAZER	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
CHEVROLET TRAILBLAZER	2017 to 2018
CHEVROLET TRANS SPORT	2000 to 2001
CHEVROLET TRAVERSE	2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET TRAX	2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET UPLANDER	2005, 2006, 2007, 2008, 2009
CHEVROLET V SERIES	2000
CHEVROLET VENTURE	2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET VOLT	2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET W SERIES	2000
CHEVROLET W-SERIES	2000 to 2010
GMC ACADIA	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
GMC C SERIES	2004 to 2009
GMC CANYON	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
GMC CANYON	2015, 2016, 2017, 2018
GMC ENVOY	2000 to 2001
GMC ENVOY	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC ENVOY XL	2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XUV	2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC G SERIES	2000
GMC G SERIES	2003
GMC G VAN BUS	2000
GMC G VAN BUS	2010
GMC GM	2001 to 2002
GMC JIMMY	2000 to 2004
GMC JIMMY CLASSIC	2005
GMC M/L VAN	2000 to 2001
GMC SAFARI	2000, 2001, 2002, 2003, 2004, 2005
GMC SAFARI (GMC)	2000 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
GMC SIERRA 1500	2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2003 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC SONOMA	2000, 2001, 2002, 2003, 2004
GMC SUBURBAN	2000
GMC SUBURBAN	2001
GMC TERRAIN	2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
GMC TOPKICK	2003 to 2010
GMC W-SERIES	2004 to 2010
GMC YUKON	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
GMC YUKON DENALI	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
GMC YUKON XL	2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL	2015, 2016, 2017, 2018
HUMMER H2	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
HUMMER H3	2006, 2007, 2008, 2009, 2010
ISUZU 4500 SERIES	2006
ISUZU H SERIES	2008
ISUZU H SERIES	2009
ISUZU T SERIES	2009 to 2010
OLDSMOBILE ALERO	2000, 2001, 2002, 2003, 2004
OLDSMOBILE AURORA	2000
OLDSMOBILE AURORA	2001, 2002, 2003
OLDSMOBILE BRAVADA	2000, 2001, 2002, 2003, 2004
OLDSMOBILE INTRIGUE	2000, 2001, 2002
OLDSMOBILE SILHOUETTE	2000, 2001, 2002, 2003, 2004
PONTIAC AZTEK	2001, 2002, 2003, 2004, 2005
PONTIAC BONNEVILLE	2000, 2001, 2002, 2003, 2004, 2005
PONTIAC FIREBIRD	2000, 2001, 2002
PONTIAC G3	2008, 2009, 2010
PONTIAC G3	2011
PONTIAC G5	2007, 2008, 2009, 2010
PONTIAC G5	2011
PONTIAC G6	2005, 2006, 2007, 2008, 2009, 2010
PONTIAC G8	2008, 2009, 2010
PONTIAC GRAND AM	2000, 2001, 2002, 2003, 2004, 2005
PONTIAC GRAND PRIX	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
PONTIAC GTO	2004, 2005, 2006
PONTIAC GTO	2007
PONTIAC MONTANA	2000, 2001, 2002, 2003, 2004
PONTIAC MONTANA	2005 to 2009
PONTIAC MONTANA EXT	2000, 2001, 2002, 2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
PONTIAC PURSUIT	2005, 2006
PONTIAC PURSUIT	2007 to 2009

And 24 more lines, in the JSON.

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V033000	2017-01-12. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
15V164000	2015-03-23. VISIBILITY:SUN/MOON ROOF ASSEMBLY
2013402	2013-11-13. Heater And Defroster
13V567000	2013-11-13. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
2011074	2011-02-21. Heater And Defroster
2008434	2008-12-05. Heater And Defroster
08V634000	2008-12-02. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
04V046000	2004-02-04. VISIBILITY:WINDSHIELD WIPER/WASHER
2003294	2003-11-26. Visual System
2000271	2000-11-17. Visual System

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
21-NA-043	2025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PI0754G	2024-08-17. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
PI0590A	2024-05-06. Service bulletin. Headliner Assembly Loose/Sagging at Rear of Sunroof Opening.
PI0754A	2024-04-29. Service bulletin. Rear and Side Tempered Glass Spots.
PI0695A	2024-04-29. Service bulletin. Diagnosis and Repair HVAC Blower Function.
PI0672A	2024-04-29. Service bulletin. Wind Noise from Rear Side Door Stationary Window
PI0648A	2024-04-29. Service bulletin. Revised HVAC Blower Motor Installation Instructions.
PIE0279A	2024-04-08. Service bulletin. Engineering Information.
PIE0279	2024-04-08. Service bulletin. Engineering Information.
17-NA-216	2024-04-05. Service bulletin. This service bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material.