NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
246 reportsMileage unknown · Nov 6, 2023
Electrical System
The Blazer is showing many codes in the ECM, even though it seems to be running properly. The codes include: p0171, p0174, p0101, p0128, p0155, p0300, p1870, p0128, p0155. The dash recently showed warning lights for parking brake, ABS, and Service Engine soon. It was checked a few days ago by a local repair shop. Two previous re…
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The Blazer is showing many codes in the ECM, even though it seems to be running properly. The codes include: p0171, p0174, p0101, p0128, p0155, p0300, p1870, p0128, p0155. The dash recently showed warning lights for parking brake, ABS, and Service Engine soon. It was checked a few days ago by a local repair shop. Two previous recalls showed multifunction switch failures which affected many vehicles.
NHTSA ODI #11553900
268,104 miles · Nov 26, 2020
Engine
WHY DOES THIS WORK ON MY 1999 CHEVY & NOT MY 2002 CHEVY?
NHTSA ODI #11376478
Mileage unknown · Mar 20, 2020
Electrical SystemExterior Lighting
MY BRAKE LIGHTS WENT OUT. THE THIRD BRAKE LIGHT. AS I OWED A 2001 GMC JIMMY THAT HAD THE SAME PROBLEM THAT WAS COVERED UNDER A RECALL I KNEW THAT THE MULTIFUNCTION SWITCH IN THE STEERING COLUMN WAS THE PROBLEM. I WENT TO MY LOCAL CHEV DEALERSHIP (KOEHNE CHEV) IN MARINETTE WI. THEY SAID THERE WAS NO RECALL ONE MY VEHICLE. I ASKED…
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MY BRAKE LIGHTS WENT OUT. THE THIRD BRAKE LIGHT. AS I OWED A 2001 GMC JIMMY THAT HAD THE SAME PROBLEM THAT WAS COVERED UNDER A RECALL I KNEW THAT THE MULTIFUNCTION SWITCH IN THE STEERING COLUMN WAS THE PROBLEM. I WENT TO MY LOCAL CHEV DEALERSHIP (KOEHNE CHEV) IN MARINETTE WI. THEY SAID THERE WAS NO RECALL ONE MY VEHICLE. I ASKED ABOUT THE THREE TSB AND THEY SAID THEY DON'T HAVE TO DO ANYTHING WITH A TSB. I KNOW THIS IS A ONGOING AND A SAFETY ISSUE (NO BRAKE LIGHTS). THE PART NUMBER ON THE SWITCH THAT I TOOK OUT IS 26096832. THERE HAS TO BE HUNDREDS OF THOUSANDS OF GM VEHICLES WITH THESE SWITCHES IN THEM WITH THE POTENTIAL FATAL ACCIDENTS WAITING TO HAPPEN!!!
NHTSA ODI #11318861
128,000 miles · Nov 6, 2019
Air BagsService BrakesStructure
TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. THE CONTACT STATED THAT THE DRIVER'S SIDE DOOR HINGE FAILED TO CLOSE, AN ABNORMAL HUMMING NOISE WAS DETECTED, THE VEHICLE ROCKED, AND A TIRE BLEW OUT. IN ADDITION, THE ABS, AIR BAG, AND PARKING BRAKE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO TOM JOYCE AUTOMOTIVE (18260…
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TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. THE CONTACT STATED THAT THE DRIVER'S SIDE DOOR HINGE FAILED TO CLOSE, AN ABNORMAL HUMMING NOISE WAS DETECTED, THE VEHICLE ROCKED, AND A TIRE BLEW OUT. IN ADDITION, THE ABS, AIR BAG, AND PARKING BRAKE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO TOM JOYCE AUTOMOTIVE (18260 PAULSON DR, UNIT D3, PORT CHARLOTTE, FL 33954) WHERE IT WAS DIAGNOSED THAT THE DOOR, PINS, AND HINGE NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. WHILE DRIVING, THE DRIVER'S DOOR DETACHED AND THE BRAKE LINE WAS WRAPPED UNDERNEATH THE VEHICLE. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 128,000.
NHTSA ODI #11278381
37,450 miles · Jul 26, 2019
Air Bags
TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. THE CONTACT STATED THAT DUE TO THE AIR BAG WARNING INDICATOR BEING ILLUMINATED, THE VEHICLE WAS UNABLE TO PASS INSPECTION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 37,450…
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TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. THE CONTACT STATED THAT DUE TO THE AIR BAG WARNING INDICATOR BEING ILLUMINATED, THE VEHICLE WAS UNABLE TO PASS INSPECTION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 37,450.
NHTSA ODI #11235161
98,760 miles · Mar 5, 2018
Exterior LightingService Brakes
TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. WHILE THE VEHICLE WAS STATIONARY OR WHILE DRIVING VARIOUS SPEEDS, THE BRAKE LIGHTS MALFUNCTIONED. BOTH BRAKE LIGHTS FAILED TO ILLUMINATE EVEN AFTER REPLACEMENTS WERE MADE. THE CONTACT INFORMED AN INDEPENDENT MECHANIC OF THE FAILURE AND THE BRAKE LIGHTS WERE REPLACED ALONG WITH THE BR…
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TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. WHILE THE VEHICLE WAS STATIONARY OR WHILE DRIVING VARIOUS SPEEDS, THE BRAKE LIGHTS MALFUNCTIONED. BOTH BRAKE LIGHTS FAILED TO ILLUMINATE EVEN AFTER REPLACEMENTS WERE MADE. THE CONTACT INFORMED AN INDEPENDENT MECHANIC OF THE FAILURE AND THE BRAKE LIGHTS WERE REPLACED ALONG WITH THE BRAKE PEDAL SWITCH; HOWEVER, THE FAILURE RECURRED. A DEALER WAS NOT MADE AWARE OF THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE VIN WAS NOT INCLUDED IN A STEERING RECALL. THE FAILURE MILEAGE WAS 98,760.
NHTSA ODI #11076378
Mileage unknown · Nov 27, 2017
Power Train
2002 CHEVROLET BLAZER. CONSUMER WRITES IN REGARDS TO VEHICLE FLEX PLATE ISSUES. *SMD THE CONSUMER STATED THE FLEX PLATE HAD TO BE REPLACED TWICE. THE MANUFACTURER WAS NOTIFIED AND DID NOT OFFER ANY ASSISTANCE. UPDATED 11/27/2017*JS
NHTSA ODI #10703663
145,000 miles · Aug 22, 2017
EngineFire
TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. THE CONTACT STATED THAT WHILE HIS SISTER WAS DRIVING AT 20 MPH, THE ENGINE COOLING FAN EXPLODED AND THERE WAS SMOKE. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS DRIVEN TO THE CONTACT'S SISTER'S RESIDENCE. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE CONTACT'S BROTHER INSPEC…
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TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. THE CONTACT STATED THAT WHILE HIS SISTER WAS DRIVING AT 20 MPH, THE ENGINE COOLING FAN EXPLODED AND THERE WAS SMOKE. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS DRIVEN TO THE CONTACT'S SISTER'S RESIDENCE. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE CONTACT'S BROTHER INSPECTED THE VEHICLE AND DETERMINED THAT THE RADIATOR AND THE FAN NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BY HER BROTHER. THE MANUFACTURER WAS NOT CONTACTED AND WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 145,000.
NHTSA ODI #11018891
169,272 miles · Apr 25, 2017
Electrical SystemFuel/propulsion System
TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED AND THE LOW FUEL AND SECURITY WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE FUEL PUMP WAS REPLACED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 169,272.…
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TL* THE CONTACT OWNS A 2002 CHEVROLET BLAZER. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED AND THE LOW FUEL AND SECURITY WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE FUEL PUMP WAS REPLACED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 169,272.
NHTSA ODI #10980478
Mileage unknown · May 14, 2016
Unknown Or Other
THE BLAZER LOOSES POWER AND SURGES BACK AND FORTH, I CAN SEE THE RPM NEEDLE GO UP AND DOWN AND THE VEHICLE FEELS LIKE IS ROCKING BACK AND FORTH. THIS HAPPENS A VARIOUS SPEEDS, 40 MPH, 45 MPH OR 55 AND ABOVE 65 MPH. I NEVER KNOW WHEN WILL START DOING IT. "THIS HAPPENS ALL THE TIME EVERY DAY"
NHTSA ODI #10864956