Total Complaints
10 filings
CHEVROLET AVALANCHE 2500 · model year
10 NHTSA complaints, and 1 active recall for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003CHEVROLETAVALANCHE 2500 carries 10 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 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 2500 is service brakes with 5 filings, followed by structure:body (1) and electrical system: instrument cluster/panel (1). 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 1 active recall campaign, 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 2500, 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
10 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| SERVICE BRAKES | 5 |
| STRUCTURE:BODY | 1 |
| ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL | 1 |
| PARKING BRAKE | 1 |
| STRUCTURE | 1 |
| VISIBILITY | 1 |
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
Brakes lines broke while in traffic at stop light. Manage to drive in low gear 1/2 block to repair shop. They replaced the lines
SITTING AT A STOP LIGHT THE BRAKES FAILED. HOLDING THE BRAKE WHILE WAITING FOR THE LIGHT TO CHANGE, THE PEDAL ALL OF A SUDDEN WENT TO THE FLOOR. WHEN I BEGAN MOVING I HAD TO KEEP THE TRUCK BELOW 30 MPH TO ALLOW THE BRAKES TO WORK WITH INCREASED STOPPING DISTANCE FACTORED IN. AFTER ABOUT A 5 MILE DRIVE HOME, CHECKED THE BRAKES AND NOTICED A LEAK FROM RUSTED BRAKE LINES NEAR THE DRIVER'S DOOR. TRUCK CANNOT BE SAFELY DRIVEN UNTIL RUSTED LINES ARE REPLACED. NO ABILITY TO MAKE A REGULAR STOP MUCH LESS AN EMERGENCY STOP IN THE PRESENT CONDITION.
Mileage: 222,000
2003 2500 AVALANCHE BRAKE LINES HEAVILY RUSTED DEEP PITS BELOW DRIVER SEAT AND ALONG LEFT FRAME RAIL WILL REPLACE. *TR
Mileage: 100,000
I HAVE A 2003 TRUCK THAT IS REGULARLY SERVICED AT GM DEALERSHIPS AND ANOTHER PROFESSIONAL SHOP. I ALTERNATE SHOPS TO MAKE SURE I AM GETTING THE BEST SERVICE AND MAKING SURE ANY PROBLEMS ARE CAUGHT BEFORE THEY ARE SERIOUS. I WASH MY TRUCK ON A REGULAR BASIS ALWAYS GETTING THE UNDERBODY/CHASSIS WASHED OFF. SO, THE VEHICLE IS TAKEN CARE OF AND KEPT UP.THE INCIDENT ABOVE LUCKILY HAPPENED WHEN I WAS BACKING UP MY TRUCK TO CONNECT TO A TRAILER. THE BRAKE LINES BURST UNDER THE DRIVER SIDE LEAKING OIL ALL OVER WHEN THE BRAKES WERE APPLIED LIGHTLY.. GLAD IT DIDN'T HAPPEN FULLY LOADED DRIVING THROUGH A SCHOOL ZONE ON A WEEKDAY. SINCE THERE ARE SEVERAL SCHOOLS AND BUS STOPS NEAR ME. WHEN ATTEMPTING TO REPAIR PROFESSIONALLY THE LINES KEPT DEVELOPING LEAKS AFFECTING SEVERAL LINES AND DIFFERENT AREAS. NOT ONCE DID EITHER OF THE SHOPS INCLUDING GM DEALERSHIP EVER TELL ME THERE WAS A PROBLEM WITH MY BRAKE LINES. IF YOU ARE SUPPOSED TO CHECK THIS AS A REGULAR MAINTENANCE ISSUE THAN WHY DON'T GM SHOPS D
Mileage: 120,000
BRAKES SUDDENLY GAVE OUT. PEDAL FELL TO FLOOR AND WHEN I TOOK IT TO BE REPAIRED I WAS TOLD ALL THE BRAKE LINES ROTTED OUT. I DON'T UNDERSTAND THIS BECAUSE BY VEHICLE WAS GARAGE KEPT. MY TOTAL BILL WAS $875.00. *TR
Mileage: 170,000
2002-2009 CHEVROLET AVALANCHE REAR REMOVABLE WINDOW (FRAME). LOWER L/H SIDE (PASSENGER SIDE).PLASTIC FRAME SUBJECT TO SPLITTING IN TIME WITH HEAT AND SEPARATES AND PULLS AWAY EXPOSING TEMPERED GLASS.TEMPERED GLASS IS NOW IN CONTACT WITH SUPPORTING FRAME AND VULNERABLE TO SHATTERING FROM ROAD VIBRATION OR WORSE, COLLISION,THUS INJURING PASSENGER(S) INCLUDING INFANTS IN REAR SEAT .MY 2003 AVALANCHE FRAME BEGAN CRACKING EARLY 2007 AND IS NOW HAS A 1 1/2 INCH GAP.I ALONG WITH SEVERAL THOUSAND OWNERS (RESEARCH ON INTERNET), HAVE BROUGHT THIS MATTER OF DEFECTIVE MATERIALS TO GM AND CHEVROLETS ATTENTION ONLY TO BE TOLD "SORRY IT'S NOT COVERED".I AM VERY DISAPPOINTED AND RATHER ANGRY THAT GM WOULD NOT OFFER TO REPAIR OR EVEN REPLACE THESE OBVIOUSLY DEFECTIVE WINDOW FRAME ASSEMBLYS.ACCORDING TO MY RESEARCH WITH OTHER OWNERS UP TO 2009 MODEL YEAR, THIS DEFECT STILL EXISTS AND OWNERS THAT WERE FORTUNATE TO HAVE THEIRS REPLACED IF STILL UNDER WARRANTY HAVE REPORTED THAT THE REPLACEMENT HAS START
Mileage: 38,000
2002-2009 CHEVROLET AVALANCHE REAR REMOVABLE WINDOW (FRAME). LOWER L/H SIDE (PASSENGER SIDE).PLASTIC FRAME SUBJECT TO SPLITTING IN TIME WITH HEAT AND SEPARATES AND PULLS AWAY EXPOSING TEMPERED GLASS.TEMPERED GLASS IS NOW IN CONTACT WITH SUPPORTING FRAME AND VULNERABLE TO SHATTERING FROM ROAD VIBRATION OR WORSE, COLLISION,THUS INJURING PASSENGER(S) INCLUDING INFANTS IN REAR SEAT .MY 2003 AVALANCHE FRAME BEGAN CRACKING EARLY 2007 AND IS NOW HAS A 1 1/2 INCH GAP.I ALONG WITH SEVERAL THOUSAND OWNERS (RESEARCH ON INTERNET), HAVE BROUGHT THIS MATTER OF DEFECTIVE MATERIALS TO GM AND CHEVROLETS ATTENTION ONLY TO BE TOLD "SORRY IT'S NOT COVERED".I AM VERY DISAPPOINTED AND RATHER ANGRY THAT GM WOULD NOT OFFER TO REPAIR OR EVEN REPLACE THESE OBVIOUSLY DEFECTIVE WINDOW FRAME ASSEMBLYS.ACCORDING TO MY RESEARCH WITH OTHER OWNERS UP TO 2009 MODEL YEAR, THIS DEFECT STILL EXISTS AND OWNERS THAT WERE FORTUNATE TO HAVE THEIRS REPLACED IF STILL UNDER WARRANTY HAVE REPORTED THAT THE REPLACEMENT HAS START
Mileage: 38,000
PARKING BRAKE CABLE CORRODED AND FAILED. WENT TO APPLY PARKING BRAKE WHILE PARKED ON A HILL AND THE CABLE BROKE AT THE LEFT REAR WHEEL. THE END OF THE CABLE FELL TO THE GROUND AND CORROSION WAS VERY EVIDENT. *TR
Mileage: 118,000
CHEVROLET AVALANCHE INSTRUMENT CLUSTER FAILURES. OVER THE PAST 32 MONTHS THE INSTRUMENT CLUSTER ON MY 2003 AVALANCHE HAS BEEN INTERMITTENTLY MALFUNCTIONING CAUSING THE SPEEDOMETER, FUEL, TEMP, OIL PRESSURE AND ALL OTHER GAUGES TO NOT OPERATE. AS OF 1/19/2008 ALL OF THE GAUGES ON THE INSTRUMENT CLUSTER FAILED COMPLETELY. FROM WHAT I UNDERSTAND CHEVROLET HAS ISSUED A EXTENSION OF THE WARRANTY TO 70,000 MILES FOR THIS SINGLE ISSUE BUT THIS IS A SAFETY RELATED PROBLEM THAT SHOULD BE TAKEN CARE OF UNDER A RECALL OF ALL VEHICLES WITH THIS INSTRUMENT CLUSTER. *TR
Mileage: 54,000
REAR WINDOW LEAKED FROM DAY 1, REPORTED TO DEALER, UPON LEASE TURN IN IT WAS DISCOVERED THAT RUBBER AROUND WINDOW WAS CRACKED, THEY ARE NOW CHARGING ME FOR THE DAMAGE. *JB
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.