🚗 AutoDefect IQ

2003 Chevrolet Blazer problems, complaints & recalls

Most-reported problem areas: Air Bags (8) · Power Train:automatic Transmission (7) · Electrical System (4)

🧭 Reliability snapshot

100 /100
✓ Typical or better for this model

Compared against other Chevrolet Blazer model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 16 complaints 16 <25k 25–50k miles: 9 complaints 25–50k 50–75k miles: 9 complaints 50–75k 75–100k miles: 3 complaints 75–100k 100–125k miles: 3 complaints 100–125k 125–150k miles: 2 complaints 125–150k 150k+ miles: 6 complaints 150k+

48 NHTSA complaints that reported an odometer reading.

77
Complaints
0
Recalls
407
Service bulletins
14
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (407)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions

this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.

Unknown Or Other 2025-02-20 · PIP5358D · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. technician should get record a sound clip or take a video of the noise for assessment by engineering. technician will need to

Electrical System 2024-10-25 · PIP4723J · Service Bulletin/Repair Instructions

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 ste

Unknown Or Other 2024-09-12 · PIT5099H · Service Bulletin/Repair Instructions

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 ven

Unknown Or Other 2024-09-12 · PIT5099H · Service Bulletin/Repair Instructions

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 ven

Unknown Or Other 2024-09-06 · PIT3271P · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about changing the tire and wheel size on vehicles. general motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. technician s

Showing the 6 most recent of 407 bulletins. Search all of them free at nhtsa.gov.

What owners report

2018-02-28 · Air Bags · 💥 crash

“rear ended a stopped pick up at 45 mph and air bags did not deploy. it was on a highway where the speed limit is 55. the whole front end was damaged but most was on driver side.…”

2018-01-11 · Fuel/Propulsion System · 206,854 mi

“1/10/2018, while driving on i-96, suv suddenly lost power in the middle lane at 72mph. i coasted vehicle to a stop in that lane, as heavy traffic would not allow me to pull over. my family of four were in that suv when the fuel delivery system failed. the fuel pump stopped working without warning.…”

2016-09-20 · Structure:body

“i purchased this vehicle in february 2015 with 71,000 - the body was very well kept inside and out. what i didn't know was the extensive amount of rust and corrosion under the vehicle, which did not show initially. i have only had same a little over a year and have had to already replace front arm joints because they snapped in half and my tire w…”

2015-12-20 · Service Brakes · 175,000 mi · 💥 crash

“takata inflators: i had left my house headed to work at approximately 6:30 am and got on i40 eastbound, it had snowed the day before and the roads had been treated and were clear for travel, i was traveling on a 3 lane highway in the left lane @ aprox 50mph and i applied my brakes to do upcoming traffic, when the abs system locked. i attempted to l…”

2014-10-26 · Air Bags · 138,300 mi

“my 03 blazer has had its airbag lights on for some time now and i'm worried that if i get into a crash my airbags wont deploy, i'm scared also to see so many complaints along the same lines as mine. this problem needs to be addressed by the nhtsa or by gm before someone is killed or injured badly. a recall is needed! *tr…”

2014-10-07 · Structure:body

“drivers door hinges are loose causing damage to the door latch and door flying open. *tr…”

2014-08-06 · Electrical System · 115,000 mi

“tl* the contact owns a 2003 chevrolet blazer. the contact stated after several attempts starting the ignition, the engine failed to operate. the vehicle was towed to the residence. the vehicle was diagnosed by a certified mechanic, who informed that the starter relay switch would need to be replaced. the vehicle had not been repaired. the manufactu…”

2014-07-28 · Air Bags · 78,000 mi · 💥 crash

“was hit by right side impact by a truck without brakes at a stop light. it was going 40 mph. coming down hill as i took off at stop light . pushed across 3 lanes of traffic. air bags did not deploy ! also i was hit on front right side panel . it later caused my instrument panel to not display the lights on warnings . had to replace the panel …”

2014-03-31 · Service Brakes · 50,000 mi

“noticed brake fluid on floor of my garage. found that the brake line to the rear brakes was rusted and leaking. gm dealer said it was out of warranty so i paid a local garage to install new brake line. it has failed again, 98,000, while i was driving. lost braking ability. i find that gm will sell me a set of brake lines for $500 and i can hav…”

2013-08-27 · Air Bags · 174,500 mi · 💥 crash

“i was traveling southbound when i experienced a seizure and lost control of my vehicle. i proceeded to veer to the left where i clipped several cars that were headed northbound and had stopped due to the realization that my vehicle was not under control. i then proceeded over a tree lawn and into a parking lot. i hit a dodge ram pickup with the rig…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Chevrolet Blazer years