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2003 GMC Yukon Denali

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 GMC Yukon Denali do not stand out strongly from the model-year median of 32.

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When problems were reported

Mileage at the reported incident

58 reports with mileage · 14 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 25 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 10 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports1 fire reports1 injury reports

Service Brakes, Hydraulic complaints

7 reports
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78,000 miles · Mar 28, 2012
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2003 GMC YUKON DENALI. THE CONTACT STATED THAT WHILE DRIVING 20 MPH, THE BRAKES WERE APPLIED AND FAILED AND THE BRAKE PEDAL WAS DEPRESSED INTO THE FLOORBOARD. THE CONTACT HAD TO UTILIZE THE EMERGENCY BRAKE AND THE VEHICLE WAS TOWED TO A LOCAL MECHANIC. THE MECHANIC DISCOVERED THAT THE BRAKE LINE WAS RUST…

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TL* THE CONTACT OWNS A 2003 GMC YUKON DENALI. THE CONTACT STATED THAT WHILE DRIVING 20 MPH, THE BRAKES WERE APPLIED AND FAILED AND THE BRAKE PEDAL WAS DEPRESSED INTO THE FLOORBOARD. THE CONTACT HAD TO UTILIZE THE EMERGENCY BRAKE AND THE VEHICLE WAS TOWED TO A LOCAL MECHANIC. THE MECHANIC DISCOVERED THAT THE BRAKE LINE WAS RUSTED AND LEAKING BRAKE FLUID. THE MECHANIC REPAIRED THE ENTIRE BRAKE LINE AND MASTER CYLINDER. THE CONTACT DID NOT CALL THE MANUFACTURER. THE FAILURE MILEAGE WAS 78,000. THE VIN WAS NOT AVAILABLE.

NHTSA ODI #10453381

69,000 miles · Dec 19, 2011
Service Brakes, Hydraulic

TOTAL BRAKE FAILURE AFTER A LONG TRIP. *TR THE CONSUMER STATED THE BRAKE FAILURE WAS A RESULT OF RUSTED BRAKE LINES. UPDATED 05/08/12

NHTSA ODI #10440511

75,000 miles · Sep 24, 2011
Service Brakes, Hydraulic

ALL OF THE BRAKE LINES ARE COMPLETELY RUSTED OUT. MY WIFE HAD A COMPLETE BRAKE FAILURE WHILE DRIVING MY DAUGHTER TO SCHOOL. BRAKE LINE OVER FRAME LEADING FRONT TO BACK FAILED AND COMPLETELY EMPTIED THE MASTER CYLINDER OF BRAKE FLUID, RESULT CAR WOULD NOT STOP. THIS MUST BE MADE INTO A RECALL, AS THE POSSIBILITY OF A MAJOR ACC…

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ALL OF THE BRAKE LINES ARE COMPLETELY RUSTED OUT. MY WIFE HAD A COMPLETE BRAKE FAILURE WHILE DRIVING MY DAUGHTER TO SCHOOL. BRAKE LINE OVER FRAME LEADING FRONT TO BACK FAILED AND COMPLETELY EMPTIED THE MASTER CYLINDER OF BRAKE FLUID, RESULT CAR WOULD NOT STOP. THIS MUST BE MADE INTO A RECALL, AS THE POSSIBILITY OF A MAJOR ACCIDENT AND LOSS OF LIFE IS VERY PROBABLE. *TR

NHTSA ODI #10427003

12,000 miles · Apr 28, 2010
Service Brakes, Hydraulic

I HAVE A 2003 GMC YUKON DENALI WITH APPROXIMATELY 12K MILES WHEN THE BRAKE LINES CORRODED AND CAUSED BRAKE FAILURE. NO ACCIDENT,NO INJURIES . IT SEEMS LIKE THE WHOLE UNDERCARRIAGE IS CORRODING. VEHICLE WAS TAKEN OUT OF SERVICE TO BE REPAIRED. SEEMS TO BE A SAFETY ISSUE OF IMPORTANCE. *TR

NHTSA ODI #10327934

15,000 miles · Apr 19, 2010
Service Brakes, HydraulicCrashInjury

TL*THE CONTACT OWNS A 2003 GMC YUKON DENALI. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH ON WET ROAD CONDITIONS; APPROACHING A TRAFFIC STOP LIGHT, THE BRAKE PEDAL TRAVELED TO THE FLOOR WITH PRESSURE APPLIED. THE VEHICLE FAILED TO SLOW DOWN AND CRASHED INTO A POLE. THE CONTACT SUSTAINED INJURIES TO THE HEAD AND BODY. THERE…

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TL*THE CONTACT OWNS A 2003 GMC YUKON DENALI. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH ON WET ROAD CONDITIONS; APPROACHING A TRAFFIC STOP LIGHT, THE BRAKE PEDAL TRAVELED TO THE FLOOR WITH PRESSURE APPLIED. THE VEHICLE FAILED TO SLOW DOWN AND CRASHED INTO A POLE. THE CONTACT SUSTAINED INJURIES TO THE HEAD AND BODY. THERE WAS NO MENTION OF A POLICE REPORT FILED FOR THE INCIDENT. THE INSURANCE COMPANY DID NOT INVESTIGATE THE FAILURE. THE CONTACT STATED THE DEFECT WAS RELATED TO A MANUFACTURER INVESTIGATION ACTION NUMBER PE10010 (SERVICE BRAKES, HYDRAULIC: POWER ASSIST: HYDRAULIC: HOSES, LINES/PIPING, AND FITTINGS). THE VEHICLE WAS REPAIRED FOR THE MALFUNCTION. THE FAILURE MILEAGE WAS 15,000. THE CURRENT MILEAGE WAS 70,005. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10326494

36,900 miles · Jun 13, 2007
Service Brakes, Hydraulic

BRAKE FAILURE AT 34000 MILES. *AK

NHTSA ODI #10193298

Mileage unknown · Feb 3, 2004
Service Brakes, Hydraulic

WHILE TRAVELING DOWN A HILL AND UPON DEPRESSING BRAKES CONSUMER NOTICED BRAKE PEDAL VIBRATED HARD AND TRAVELED TO FLOORBOARD. CONSUMER REPEATEDLY DEPRESSED BRAKES TO COME TO A NORMAL STOP. *AK

NHTSA ODI #10057428

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP05009 · Parking Brake Failure

Opened Dec 20, 2005 · Closed May 31, 2006

Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

Additional source detail variants (3)

Parking Brake:conventional

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

Parking Brake:conventional:mechanical

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

Parking Brake

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.