TSB PIT5099G — Cadillac, Chevrolet, GMC, Pontiac and Saturn Service bulletin

PIT5099G is a service bulletin on file with NHTSA for 19 Cadillac, Chevrolet, GMC, Pontiac and Saturn models, 2000–2004 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. 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…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
19Vehicles named
5Model years

Vehicles and model years PIT5099G names

VehicleModel years
Cadillac Escalade 2000
Chevrolet Blazer 2000, 2001
Chevrolet Camaro 2000, 2001, 2002
Chevrolet Corvette 2000, 2001
Chevrolet Impala 2000, 2001, 2002
Chevrolet Malibu 2000, 2001, 2002
Chevrolet S10 2000, 2001, 2002
Chevrolet Silverado 1500 2000
Chevrolet Silverado 2500 2000, 2001, 2002
Chevrolet Suburban 2000
Chevrolet Tahoe 2000, 2001
GMC Envoy 2000
GMC Sierra 1500 2000
GMC Yukon 2000, 2001, 2002
Pontiac Grand Am 2000, 2001, 2002, 2003, 2004
Pontiac Grand Prix 2000, 2001, 2002, 2003, 2004
Pontiac Vibe 2003
Saturn Ion 2003, 2004
Saturn Vue 2002, 2003

Every document filed under PIT5099G

Document IDFiledType
PIT5099G September 26, 2023 Service bulletin

What PIT5099G covers

Visibility & wipers — the component vocabulary NHTSA files this communication under.

← All Cadillac Escalade TSB years TSB lookup by model

Questions buyers ask

What is TSB PIT5099G?

PIT5099G is a service bulletin filed with NHTSA by Cadillac, Chevrolet, GMC, Pontiac and Saturn, covering 19 Cadillac, Chevrolet, GMC, Pontiac and Saturn models across the 2000–2004 model years. NHTSA's summary reads: 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…

Which vehicles does PIT5099G cover?

NHTSA's file names Cadillac Escalade (2000); Chevrolet Blazer (2000–2001); Chevrolet Camaro (2000–2002); Chevrolet Corvette (2000–2001); Chevrolet Impala (2000–2002); Chevrolet Malibu (2000–2002); Chevrolet S10 (2000–2002); Chevrolet Silverado 1500 (2000); Chevrolet Silverado 2500 (2000–2002); Chevrolet Suburban (2000), and 9 more vehicles listed on this page. A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB PIT5099G a recall, and is the repair free?

No. PIT5099G is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of PIT5099G?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIT5099G, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIT5099G. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.