Problems owners report
Complaints filed with NHTSA about the 2002 Chevrolet Blazer, by the system named in each complaint. One complaint can name several.
- Exterior lighting54
- Power train33
- Electrical system21
- Engine and engine cooling20
- Air bags17
- Visibility16
- Suspension16
- Steering14
- Service brakes, hydraulic14
- Fuel system, gasoline13
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 19 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 49 2002 Blazer vehicles were involved in crashes on US public roads in which someone died; 44 people died inside them, and 26 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2002 Chevrolet Blazer failed the safety check 2.40% of the time — 20% more often than the average 2002 passenger car (2.00%). Median odometer at inspection: 139,130 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
In New Zealand
31 2002 cars are on the New Zealand register; 94% arrived as used imports, 0% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Fuel consumption
Official Canadian test results for 2 variants: combined 15.3–17.6 L/100 km (about 13–15 mpg US), CO₂ 352–405 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Blazer 4X4 · Sport utility vehicle · Regular gasoline | 17.3 | 12.8 | 15.3 |
| Blazer 4X4 · Sport utility vehicle · Regular gasoline | 19.7 | 15.0 | 17.6 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
2 Transport Canada recalls for the 2002 Chevrolet Blazer.
| 2008178 22 May 2008 | Electrical On certain vehicles, the multifunction switch may develop an open circuit condition with the bottom contact of the hazard switch, causing the stop lamps and the… |
| 2001285 5 Dec 2001 | Electrical Certain sport utility vehicles. The multifunction switch could develop an open circuit condition with the bottom connector in the hazard switch carrier that res… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
GENERAL MOTORS IS RECALLING 5,862 MY 2000-2002 CHEVROLET BLAZER, MY 2000-2001 GMC JIMMY, AND MY 2000 OLDSMOBILE BRAVADA SPORT UTILITY VEHICLES. THE MULTIFUNCTION SWITCH COULD DEVELOP AN OPEN CIRCUIT CONDITION THAT RESULTS IN THE STOP LAMPS AND THE REAR HAZARD LAMPS BECOMING INOPERATIVE. THE CENTER HIGH MOUNTED STOP LAMP AND TURN SIGNAL FUNCTIONS ARE NOT AFFECTED.
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE MULTIFUNCTION SWITCH COULD DEVELOP AN OPEN CIRCUIT CONDITION THAT RESULTS IN THE STOP LAMPS AND THE REAR HAZARD LAMPS BECOMING INOPERATIVE. THE CENTER HIGH MOUNTED STOP LAMP AND TURN SIGNAL FUNCTIONS ARE NOT AFFECTED.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Chevrolet told its dealers about the 2002 Chevrolet Blazer: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 637325 | SOME VEHICLES MAY EXHIBIT A NO START CONDITION ADTER SITTING OVER 24 HOURS AND / OR REAR TAILGATE GLASS IS INOPERATIVE. *TT |
| 636698 | REPORTS ABOUT MISSING CLAMPS ON THE OVERFLOW HOSE BETWEEN THE RADIATOR AND COOLANT RESERVOIR. *TT |
| 636530 | INFORMATION CLARIFYING RECALL 01073 - STOP LAMPS / HAZARD LAMPS INOPERATIVE. *TT |
| 636517 | SAFETY RECALL 01073 REGARDING THE MULTIFUNCTION SWITCH WHICH MAY DEVELOP AN OPEN CIRCUIT CONDITION WITH THE BOTTOM CONTACT IN THE HAZARD SWITCH CARRIER THAT RESULTS IN THE STOP LAMPS AND HAZARD LAMPS BECOMING INOPERATIVE. *TT |
| 636469 | SOME CUSTOMERS MAY COMPLAIN OF WET CARPET IN THE CARGO AREA, ALONG THE DITCH SEAM OR ROOF SEAM SEALERS. *TT |
| 634999 | DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT |
| 634905 | SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT |
| 634729 | SOME CUSTOMERS MAY COMMENT ON AN EXHAUST BOOM / GROAN NOISE IN THE PASSENGER COMPARTMENT. *TT |
| 634506 | SUBJECT REGARDING GENERAL WATERLEAK GUIDE. *TT |
| 634220 | PRODUCT SAFETY RECALL REGARDING INOPERATIVE STOP AND HAZARD LAMPS FOR VARIOUS MODLES INCLUDING THE 2000-2001 CHEVY TRAILBLAZER. *TT |
| 629834 | INFORMATION ON DIAGNOSING MILDEW ODOR OR WET CARPET COMPLAINTS IN THE FRONT PASSENGER SEAT AREA. *TT |
| 628934 | SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT |
| 628815 | SUBJECT REGARDING DIAGNOSTIC TIPS FOR SLIPPING OR MISSING SECOND, THIRD AND/OR FOURTH GEAR. *TT |
| 627912 | SERVICE ENGINE SOON LAMP ILLUMINATED, INCORRECT TRANSMISSION SHIFTS, POOR PERFORMANCE OF ENGINE, TRANSMISSION SLIPPING. *YH |
| 625352 | INFORMATION REGARDING OPERATED IN HOT CLIMATES MAY EMIT AN ODOR FROM THE UNDER HOOD RIGHT OR LEFT FRONT WHEEL AREA. *YH |
| 11009156 | This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. |
| 11007744 | 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. |
| 11007743 | 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. |
| 11006621 | Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers. |
| 11006421 | GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return. |
| 11004761 | This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up. |
| 11004557 | This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. |
| 11002312 | This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information. |
| 10252735 | This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. |
| 10252163 | XM Audio Traffic And Travel Link Availability And Operation. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
HAZARD LIGHT SWITCH FAILURE
NHTSA Office of Defects Investigation