Total Complaints
213 filings
CHEVROLET AVALANCHE 1500 · model year
213 NHTSA complaints, 9 crash reports, and 2 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003CHEVROLETAVALANCHE 1500 carries 213 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 9 crashes, 3 fires, 4 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 AVALANCHE 1500 is electrical system: instrument cluster/panel with 47 filings, followed by electrical system (38) and service brakes (28). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 2 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 57 investigation files overlapping the 2003 AVALANCHE 1500, and 2 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
213 filings
Crashes Reported
9 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL | 47 |
| ELECTRICAL SYSTEM | 38 |
| SERVICE BRAKES | 28 |
| SERVICE BRAKES, HYDRAULIC | 20 |
| AIR BAGS | 12 |
| VEHICLE SPEED CONTROL | 11 |
| STEERING | 8 |
| UNKNOWN OR OTHER | 7 |
| STRUCTURE:BODY | 5 |
| SUSPENSION | 3 |
| TIRES | 3 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS | 3 |
| POWER TRAIN | 3 |
| ENGINE | 3 |
| STRUCTURE | 2 |
FUEL SYSTEM, GASOLINE
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CE
WHEELS:HUB
CERTAIN FEDERAL-MOGUL REPLACEMENT WHEEL HUB ASSEMBLIES WITH THE BRAND NAMES: NATIONAL, CARQUEST P/NOS. 515020, 515021, 515025, 515053, 515054, 515059, AND 515060, SHIPPED BETWEEN JANUARY 23, 2006, AND DECEMBER 20, 2007, SOLD FOR LIGHT DUTY AND MEDIUM DUTY TRUCKS. THE INBOARD RETENTION NUT USED TO M
The contact owns a 2003 Chevrolet Avalanche 1500. The contact stated that while the vehicle was on a lift at an independent mechanic, the independent mechanic found rust on the subframe. There were no warning lights illuminated. The vehicle was a private sale. The contact had purchased the vehicle two months prior to finding the rust. The vehicle was taken to an independent mechanic to replace the muffler. The contact was informed that the subframe was rusted. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 91,000.
Mileage: 91,000
SERVICE LIGHT DOSE NOT COME ON WHEN MY TRUCK WON'T NOT STARTED UP UNTIL I GOT IT TOWED
SERVICE LIGHT DOSE NOT COME ON WHEN MY TRUCK WON'T NOT STARTED UP UNTIL I GOT IT TOWED
I BOUGHT THIS VEHICLE AND THE CLUSTER IS OUT I DO NOT KNOW WHAT MODEL THIS IS OTHER THAN A Z66 SO I CANNOT SEE ON HOW TO PROGRAM MY PHONE AT TO THE ONSTAR OR ANY OF THAT I DON'T KNOW IF I HAVE SATELLITE RADIO THERE IS NO AUXILIARY PLUG IN HEATED SEATS IT'S ONLY THE BACK OF THE SEAT THAT WORKS I'M NOT SURE IF THAT'S ALL THAT IS HEATED AND IT SAYS THAT IT'S SUPPOSED TO BE COME WITH A KEY FOB I DID NOT RECEIVE MY CAR COMPLETELY DIES I HAVE TO TURN IT COMPLETELY OFF TURN THE KEY AROUND AND STARTED AGAIN THE WHOLE STEERING COLUMN LOOKS LIKE IT HAS BEEN REPLACED I DID NOT RECEIVE THE KEY FOB I CANNOT LOCK THE DOORS BECAUSE THE KEYS DON'T WORK IN THE DOOR BUT THEY DO AN IGNITION SOMETIMES I HAVE TO TURN THE KEY AROUND SOMETIMES EVEN WHEN I'M IN THE MIDDLE OF DRIVING I HAVE TO CUT IT COMPLETELY OFF BECAUSE IT WILL STALL OUT TURN KEY AROUND AND IT START IT AGAIN. I HAVE NO IDEA WHAT THE REAL MILAGE IS. JELP IM A SINGLE AND ONLY IN COME PARENT TO 3 BOUS AND THIS MOMMA NEEDS HELP PLEASE
I BOUGHT THIS VEHICLE AND THE CLUSTER IS OUT I DO NOT KNOW WHAT MODEL THIS IS OTHER THAN A Z66 SO I CANNOT SEE ON HOW TO PROGRAM MY PHONE AT TO THE ONSTAR OR ANY OF THAT I DON'T KNOW IF I HAVE SATELLITE RADIO THERE IS NO AUXILIARY PLUG IN HEATED SEATS IT'S ONLY THE BACK OF THE SEAT THAT WORKS I'M NOT SURE IF THAT'S ALL THAT IS HEATED AND IT SAYS THAT IT'S SUPPOSED TO BE COME WITH A KEY FOB I DID NOT RECEIVE MY CAR COMPLETELY DIES I HAVE TO TURN IT COMPLETELY OFF TURN THE KEY AROUND AND STARTED AGAIN THE WHOLE STEERING COLUMN LOOKS LIKE IT HAS BEEN REPLACED I DID NOT RECEIVE THE KEY FOB I CANNOT LOCK THE DOORS BECAUSE THE KEYS DON'T WORK IN THE DOOR BUT THEY DO AN IGNITION SOMETIMES I HAVE TO TURN THE KEY AROUND SOMETIMES EVEN WHEN I'M IN THE MIDDLE OF DRIVING I HAVE TO CUT IT COMPLETELY OFF BECAUSE IT WILL STALL OUT TURN KEY AROUND AND IT START IT AGAIN. I HAVE NO IDEA WHAT THE REAL MILAGE IS. JELP IM A SINGLE AND ONLY IN COME PARENT TO 3 BOUS AND THIS MOMMA NEEDS HELP PLEASE
I BOUGHT THIS VEHICLE AND THE CLUSTER IS OUT I DO NOT KNOW WHAT MODEL THIS IS OTHER THAN A Z66 SO I CANNOT SEE ON HOW TO PROGRAM MY PHONE AT TO THE ONSTAR OR ANY OF THAT I DON'T KNOW IF I HAVE SATELLITE RADIO THERE IS NO AUXILIARY PLUG IN HEATED SEATS IT'S ONLY THE BACK OF THE SEAT THAT WORKS I'M NOT SURE IF THAT'S ALL THAT IS HEATED AND IT SAYS THAT IT'S SUPPOSED TO BE COME WITH A KEY FOB I DID NOT RECEIVE MY CAR COMPLETELY DIES I HAVE TO TURN IT COMPLETELY OFF TURN THE KEY AROUND AND STARTED AGAIN THE WHOLE STEERING COLUMN LOOKS LIKE IT HAS BEEN REPLACED I DID NOT RECEIVE THE KEY FOB I CANNOT LOCK THE DOORS BECAUSE THE KEYS DON'T WORK IN THE DOOR BUT THEY DO AN IGNITION SOMETIMES I HAVE TO TURN THE KEY AROUND SOMETIMES EVEN WHEN I'M IN THE MIDDLE OF DRIVING I HAVE TO CUT IT COMPLETELY OFF BECAUSE IT WILL STALL OUT TURN KEY AROUND AND IT START IT AGAIN. I HAVE NO IDEA WHAT THE REAL MILAGE IS. JELP IM A SINGLE AND ONLY IN COME PARENT TO 3 BOUS AND THIS MOMMA NEEDS HELP PLEASE
I AM A NEW OWNER OF A 2003 AVALANCHE, I WAS SATISFIED WITH MY PURCHASE BUT MY SOONROOF FALLS UNDER THE APPROPRIATE SERIAL NUMBERS (6,000,000-6,300,000) RECALL STATES THAT IT MAY BE COVERED BY THE COMPANY WEBASTO HOLLANDIA. VEHICLE IS FINE TO DRIVE PLACES BUT SUNROOF MUST BE FIXED FOR COMING WINTER. IT WORRIES ME AS THERE'S A SLIGHT DANGER OF IT CAUSING A ROAD HAZARD IF IT WERE TO FALL OUT.
Mileage: 150,000
I AM A NEW OWNER OF A 2003 AVALANCHE, I WAS SATISFIED WITH MY PURCHASE BUT MY SOONROOF FALLS UNDER THE APPROPRIATE SERIAL NUMBERS (6,000,000-6,300,000) RECALL STATES THAT IT MAY BE COVERED BY THE COMPANY WEBASTO HOLLANDIA. VEHICLE IS FINE TO DRIVE PLACES BUT SUNROOF MUST BE FIXED FOR COMING WINTER. IT WORRIES ME AS THERE'S A SLIGHT DANGER OF IT CAUSING A ROAD HAZARD IF IT WERE TO FALL OUT.
Mileage: 150,000
I AM A NEW OWNER OF A 2003 AVALANCHE, I WAS SATISFIED WITH MY PURCHASE BUT MY SOONROOF FALLS UNDER THE APPROPRIATE SERIAL NUMBERS (6,000,000-6,300,000) RECALL STATES THAT IT MAY BE COVERED BY THE COMPANY WEBASTO HOLLANDIA. VEHICLE IS FINE TO DRIVE PLACES BUT SUNROOF MUST BE FIXED FOR COMING WINTER. IT WORRIES ME AS THERE'S A SLIGHT DANGER OF IT CAUSING A ROAD HAZARD IF IT WERE TO FALL OUT.
Mileage: 150,000
BRAKES WENT OUT WITH NO WARNING, TWO DIFFERENT TIMES. ON A HIGHWAY STOPPING FOR A RED LIGHT.
Mileage: 90,000
I CAN HEAR A CLUNKING OR RATTLING NOISE IN MY STEERING WHEEL. I CAN ALSO FEEL IT IN THE STEERING WHEEL WHILE DRIVING.
Mileage: 121,000
THIS IS THE SECOND TRANSMISSION, THE CLIP THAT HOLDS THE TRANSMISSION LINE TO THE RADIATOR BREAKS ALLOWING THE LINE TO COME OFF RESULTING IN ALL TRANSMISSION FLUID BEING LOST AND RESULTING IN DESTROYING TRANSMISSION
Mileage: 22,500
MY AIRBAGS DEPLOYED AS I SLID INTO A VEHICLE IN FRONT OF ME. I WAS IN NUMBER TO NUMBER TRAFFIC AND I TRIED CHANGING LANES. MY FRONT LEFT BUMPER TAPPED HIS REAR RIGHT BUMPER. THE OTHER VEHICLE WAS SCRATCHED.
Mileage: 180,000
THE ENGINE LIGHT HAS COME ON FOR THE SECOND TIME SAYING THAT IS A VACUUM LEAK IN THE FUEL CAP I REPLACE THE CAP
Mileage: 1,360,582
CLADDING ON MY 2003 HAS TURNED GREY AND UGLY. THERE IS NOTHING USED THAT WILL RENEW IT BACK TO ORIGINAL LOOK. WHAT CAN YOU DO ABOUT THIS PROBLEM????
WAS DRIVING HOME AND BRAKES FAILED. MASSIVE HOLES IN THE LINES, PEDAL DOWN TO THE FLOOR NO BRAKE WARNING LIGHT UNTIL IT WAS TOO LATE. THANK GOD MY WIFE AND KIDS WERE NOT WITH ME THIS TIME. LUCKY I'M ALIVE. I WAS NOT ON A MAIN HIGHWAY. SO FAR THE COST IS UP TO $2000.00 TO REPLACE ALL THE LINES. ALSO NOW THE MASTER CYLINDER SEEMS TO BE FAULTY. ANOTHER $400.00. I HAVE READ WAY TOOO MANY COMPLAINTS ABOUT GM BRAKE LINES RUSTING OUT WAY TOO SOON MANY WITH LOW MILEAGE. SOMETHING HAS TO BE DONE ABOUT THIS IN THE FORM OF COMPENSATION. LIVES COULD BE LOST AND SOME PROBABLY HAVE.
Mileage: 95,000
I HAVE READ NHTSA # 05V37900 AND SEE THAT ADDRESSES THE BRAKE PROBLEMS WITH BRAKE LINE THAT I AM HAVING PROBLEMS WHERE THE BRAKE GOES TO THE FLOOR WITH NO WARNING THAT IS THE SAME AS THE 2002 THAT IS INCLUDED IN YOUR RECALL. IT APPEARS THAT THE SAME BRAKE LINES WERE USED ON THE 2003 MODEL. SO WHY WAS THE 2003 MODEL NOT INCLUDED IN THE RECALL AS LOSING THE BRAKES NOT A SAFETY HAZARD. I WAS DRIVING DOWN THE ROAD WHEN THE BRAKES WENT OUT AND WAS LUCKY THERE WAS NO OTHER TRAFFIC IN THE AREA.
Mileage: 176,000
INSTRUMENT PANEL HAS STOPPED WORKING. NONE OF THE GAUGES WORK. START VEHICLE NO GAUGES MOVE. DRIVE AND NO GAUGES MOVE, INCLUDING SPEEDOMETER
Mileage: 150,000
INSTRUMENT PANEL HAS STOPPED WORKING. NONE OF THE GAUGES WORK. START VEHICLE NO GAUGES MOVE. DRIVE AND NO GAUGES MOVE, INCLUDING SPEEDOMETER
Mileage: 150,000
WHILE BRAKING FOR A RED STOP LIGHT THE TRUCK WAS STOPPING NORMALLY AND WAS ALMOST STOPPED WHEN THE BRAKE PEDAL WENT NEARLY TO THE FLOOR AND BRAKING ACTION WAS SEVERELY AFFECTED CAUSING A MUCH DELAYED COMPLETION TO THE STOP. WHEN THE BRAKE PEDAL COLLAPSED A CHIME CAME ON AND A BRAKE FAILURE LIGHT APPEARED ON THE DASH PANEL. LUCKILY I WAS ABLE TO AVOID HITTING THE CAR IN FRONT OF ME. I WAS ABLE TO DRIVE THE CAR SLOWLY OUT OF TRAFFIC GOING VERY SLOW AND USING THE EMERGENCY BRAKE. UPON INITIAL INSPECTION, BRAKE FLUID WAS OBSERVED LEAKING FROM SOMEWHERE UNDER THE TRUCK. THE TRUCK WAS TOWED TO A SERVICE GARAGE WHERE THE INITIAL DIAGNOSIS WAS A RUSTED OUT BRAKE LINE.
Mileage: 79,200
Loss of motive power due to engine failure
Loss of Motive Power due to the Battery Energy Control Module
Electric Vehicle Battery Fires
Outboard Front Seat Belt Anchor Cable Failure
Fuel Line Leak
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.