Service bulletins for the 2003 Chevrolet Blazer
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.
408 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Equipment and accessories are shown. Show all
| PIC5050A | 2016-10-25. Service bulletin. EQUIPMENT:ELECTRICAL. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT. |
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| 16NA260 | 2016-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS. |
| 3176A | 2004-11-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HEAT COMING FROM VENTS WITH HVAC OFF. *TT |
| 3047 | 2004-10-08. Service bulletin. EQUIPMENT. 99 THROUGH 05 YEAR VEHICLES, EQUIPPED WITH THREE-BUTTON ONSTAR SYSTEMS. *TT |
| 01582A | 2004-02-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC MODE SWITCH IS INOPERATIVE OR IS STUCK IN VENT MODE. *MN |
| 062403 | 2003-10-29. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HEATING VENTILATION AND AIR CONDITIONING INOPERATIVE OR STUCK IN ANY MODE. DIAGNOSIS. *TT |
| 030849008 | 2003-09-29. Service bulletin. EQUIPMENT:ELECTRICAL. ERRATIC OR INACCURATE COMPASS OPERATION WITH USE OF POWER MOON ROOF. *TT UPDATE. *TT |
| 030138009 | 2003-09-27. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC MODE SWITCH INOPERATIVE OR STUCK IN VENT MODE, OIL IN HVAC CONTROL HEAD AND/OR VACUUM LINES. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.