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2005 GMC Sierra 2500

Owner reports · Recalls · Investigations

More warning signs than most Sierra 2500 years

Owner complaints for the 2005 GMC Sierra 2500 are substantially higher than the model-year median of 46.

About this comparison →

When problems were reported

Mileage at the reported incident

104 reports with mileage · 11 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 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

4 crash reports6 fire reports3 injury reports

What owners actually said

115 reports
85,000 miles · Oct 30, 2010
Engine And Engine Cooling

EXHAUST LEAKING UNDER HOOD DUE TO BROKEN EXHAUST MANIFOLD BOLTS. CARBON MONOXIDE HAZARD. THIS SEEMS TO BE A COMMON PROBLEM FOR OWNERS OF SEVERAL YEARS OF GM ENGINES. *TR

NHTSA ODI #10363033

20,615 miles · Jul 13, 2010
Electrical SystemEngine And Engine Cooling

2005 GMC 2500HD PICKUP TRUCK, HVAC BLOWER SPEED CONTROLLER/RELAY CONNECTOR GOT HOT, BURNED OUT CONNECTOR AND WIRE, LOTS OF SMOKE. IT HAPPENED WHEN TURN FAN TO HIGH. THE FAILURE WAS DUE TO CONTACT RESISTANCE AT THE CONNECTOR. THE WIRE HARNESS END IS TINTED COPPER, THE RELAY/CONTROLLER CONNECTOR IS BARE METAL. DUE TO GALVANIZATION…

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2005 GMC 2500HD PICKUP TRUCK, HVAC BLOWER SPEED CONTROLLER/RELAY CONNECTOR GOT HOT, BURNED OUT CONNECTOR AND WIRE, LOTS OF SMOKE. IT HAPPENED WHEN TURN FAN TO HIGH. THE FAILURE WAS DUE TO CONTACT RESISTANCE AT THE CONNECTOR. THE WIRE HARNESS END IS TINTED COPPER, THE RELAY/CONTROLLER CONNECTOR IS BARE METAL. DUE TO GALVANIZATION OF DIFFERENT METAL IN THE CONNECTION SYSTEM, THE CONNECTOR IS UNDERSIZE FOR THE BLACK WIRE, WHICH IS THE RETURN CURRENT BECAUSE THE BLOWER ASSEMBLY IS PLASTIC. THE RESISTANCE BETWEEN THE CONTACT POINT OF THE CONNECTOR ACT AS HEATER AND GOT HOT, BURN OUT CONNECTION AND CONNECTOR HOUSING. THE SPEED CONTROL UNIT, WHICH COMPOSED OF FEW POWER RESISTOR IS MOUNTED IN THE AIR STREAM THAT IT WILL COLLECT VAPOR WATER DUE TO CONDENSATION WHEN AC IS IN USED. THIS CAUSE CORROSION IN THE SPEED CONTROLLER/RELAY BOARD. THE WORK AROUND IS BYPASS THE CONNECTOR BY SHORTING THE BLACK WIRE FROM THE BLOWER MOTOR TO THE BLACK INPUT WIRE THAT BURNED OUT. CUT THE INPUT BLACK WIRE, WIRE NUT IT TOGETHER WITH A 12 AWG JUMPER WIRE, CUT THE BLACK WIRE AT THE BLOWER MOTOR, WIRE NUT IT TO THE OTHER END OF THE JUMPER WIRE. AFTER THE JUMPER PUT IN, BLOWER FAN WORKS IN ALL SPEED AND NO SMOKE FROM CONNECTOR AND WIRE. *TR

NHTSA ODI #10342860

54,465 miles · May 9, 2010
Engine And Engine Cooling

THE EXHAUST MANIFOLD BOLTS WERE BROKE ON SIDE OF THE EXHAUST MANIFOLD SO FAR. THE MECHANIC AT FW TUCKER AND SON, IN, OSWEGO, NY 315-342-0444 STATED THAT THEY HAVE REPLACED THESE ON 12 TRUCKS AND AFTER FURTHER RESEARCH, I HAVE FOUND THAT THERE HAVE BEEN OVER 12,000 VEHICLES THAT HAVE TO HAD THESE REPLACED. THE TRUCK IS LESS TH…

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THE EXHAUST MANIFOLD BOLTS WERE BROKE ON SIDE OF THE EXHAUST MANIFOLD SO FAR. THE MECHANIC AT FW TUCKER AND SON, IN, OSWEGO, NY 315-342-0444 STATED THAT THEY HAVE REPLACED THESE ON 12 TRUCKS AND AFTER FURTHER RESEARCH, I HAVE FOUND THAT THERE HAVE BEEN OVER 12,000 VEHICLES THAT HAVE TO HAD THESE REPLACED. THE TRUCK IS LESS THAN 5 YEARS OLD AND HAS 54,000 MILES ON IT. I CALLED AND FILED A COMPLAINT WITH GMC (SERVICE REQUEST #[XXX] ) AND WAS TOLD THAT THEY FOUND THAT IT WASN'T A COMMON PROBLEM AND THEY FOUND NO INDICATION THAT IT WAS AN ONGOING PROBLEM, HOWEVER 12,000 VEHICLES IS AN ONGOING PROBLEM. THE VEHICLE IS A 2005 GMC SIERRA 2500HD TRUCK. I HAD TO PAY TO HAVE THE EXHAUST MANIFOLD REMOVED, TO HAVE THE BOLTS EXTRACTED, THE COST OF THE NEW BOLTS AND THE INSTALLATION OF THE BOLTS, NEW EXHAUST MANIFOLD GASKETS AND SEALS. I ALSO HAD TO PAY TO HAVE THE ENGINE OIL REMOVED AND THE REPLACEMENT OF THE ENGINE OIL DIPSTICK TUBE. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10329482

80,000 miles · Apr 29, 2010
Electrical System

2005 GMC SIERRA PICK UP TRUCK. THE SPEEDOMETER NEEDLE WILL NOT GO BACK TO '0' WHEN I AM STOPPED, WHICH CAUSES THE SPEEDOMETER TO READ WRONG MPH WHEN DRIVING. THE PROBLEM IS OCCURRING MORE AND MORE SINCE IT FIRST BEGAN. IT STARTED FOR NO APPARENT REASON APPROXIMATELY 6 - 7 MONTHS AGO. DEALER WAS VERY AWARE OF THIS PROBLEM, BUT…

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2005 GMC SIERRA PICK UP TRUCK. THE SPEEDOMETER NEEDLE WILL NOT GO BACK TO '0' WHEN I AM STOPPED, WHICH CAUSES THE SPEEDOMETER TO READ WRONG MPH WHEN DRIVING. THE PROBLEM IS OCCURRING MORE AND MORE SINCE IT FIRST BEGAN. IT STARTED FOR NO APPARENT REASON APPROXIMATELY 6 - 7 MONTHS AGO. DEALER WAS VERY AWARE OF THIS PROBLEM, BUT I AM PAST ANY WARRANTIES OUT THERE. APPROXIMATE COST TO ME TO FIX FROM THE DEALER IS $500. I CAN'T AFFORD THIS. HOWEVER, BASED UPON NUMBER OF POSTINGS ON THE INTERNET, IT LOOKS TO ME LIKE A RECALL IS IN ORDER. *TR

NHTSA ODI #10328101

80,175 miles · Apr 23, 2010
Electrical System

SPEEDOMETER QUIT WORKING WHILE DRIVING. SHOWS 75 MILES AN HOUR WHILE STOPPED GOES UP TO 120 ON ACCELERATION. NO WAY TO KNOW ACTUAL SPEED. *TR

NHTSA ODI #10327230

38,000 miles · Apr 22, 2010
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD DIESEL. THE CONTACT STATED THAT ON APRIL 19, 2010 WHEN PULLING OUT OF THE GARAGE AT 2 MPH, THE BRAKES AND STEERING SUDDENLY STOPPED FUNCTION. THERE WERE NO WARNING LIGHTS ILLUMINATED THAT INDICATED THE CAUSE OF THE FAILURE. WHEN THE CONTACT TURNED OFF THE VEHICLE AND RESTARTED IT, TH…

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TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD DIESEL. THE CONTACT STATED THAT ON APRIL 19, 2010 WHEN PULLING OUT OF THE GARAGE AT 2 MPH, THE BRAKES AND STEERING SUDDENLY STOPPED FUNCTION. THERE WERE NO WARNING LIGHTS ILLUMINATED THAT INDICATED THE CAUSE OF THE FAILURE. WHEN THE CONTACT TURNED OFF THE VEHICLE AND RESTARTED IT, THE VEHICLE SUDDENLY ACCELERATED. THE CONTACT DEPRESSED THE EMERGENCY BRAKE PEDAL AND THE VEHICLE STOPPED; IT WAS TOWED TO AN AUTHORIZED DEALERSHIP WHERE IT WAS BEING REPAIRED AT THE TIME OF THE COMPLAINT. THE CONTACT WAS INFORMED THAT HIS VEHICLE WAS NOT INCLUDED IN ANY RELATED RECALLS. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 38,000. UPDATED 11/11/10 *BF THE CONSUMER STATED HE EXPERIENCED A HYDRO BOOST FAILURE. AS HE WAS PULLING OUT OF THE GARAGE, THE STEERING AND BRAKING MECHANISMS MALFUNCTIONED. UPDATED 11/18/10

NHTSA ODI #10327022

39,000 miles · Apr 13, 2010
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500HD. THE CONTACT STATED THT THE VEHICLE LUNGED TEN FEET WHEN HE DEPRESSED THE BRAKE PEDAL UPON COMING TO A STOP SIGN. EXTRA EFFORT WAS REQUIRED TO STOP WHICH INCREASED THE STOPPING DISTANCE. THE ABS FUSE WAS REMOVED BASED ON ADVICE BY A MECHANIC. AFTER REMOVAL OF THE FUSE, THE PROBLEM STO…

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TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500HD. THE CONTACT STATED THT THE VEHICLE LUNGED TEN FEET WHEN HE DEPRESSED THE BRAKE PEDAL UPON COMING TO A STOP SIGN. EXTRA EFFORT WAS REQUIRED TO STOP WHICH INCREASED THE STOPPING DISTANCE. THE ABS FUSE WAS REMOVED BASED ON ADVICE BY A MECHANIC. AFTER REMOVAL OF THE FUSE, THE PROBLEM STOPPED; WHEN THE FUSE WAS REINSTALLED, THE PROBLEM RETURNED. THE VEHICLE WAS TKANE TO AN AUTHORIZED DEALERSHIP WHO INFORMED HIM THAT THE BRAKES WERE FUNCTIONING NORMALLY. THE VIN WAS UNAVAILABLE AT THE TIME OF THE COMPLAINT.

NHTSA ODI #10325481

71,000 miles · Mar 16, 2010
Electrical System

TL* THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD. THE CONTACT STATED HER SPEEDOMETER WAS INCORRECTLY READING 16.2 MPH AND THEN THE SPEEDOMETER BECAME COMPLETELY INOPERABLE. THE CONTACT STATED THAT THE SPEEDOMETER WAS CURRENTLY DISPLAYING A ERROR MESSAGE. AN AUTHORIZED DEALER WAS NOTIFIED OF THE FAILURES. THE ESTIMATED REPAIR CO…

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TL* THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD. THE CONTACT STATED HER SPEEDOMETER WAS INCORRECTLY READING 16.2 MPH AND THEN THE SPEEDOMETER BECAME COMPLETELY INOPERABLE. THE CONTACT STATED THAT THE SPEEDOMETER WAS CURRENTLY DISPLAYING A ERROR MESSAGE. AN AUTHORIZED DEALER WAS NOTIFIED OF THE FAILURES. THE ESTIMATED REPAIR COST WAS $1,000. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS 71,000

NHTSA ODI #10320111

29,500 miles · Mar 9, 2010
Service Brakes, Hydraulic

FOR ALMOST A YEAR NOW THE BRAKES "DROP OUT" OR ESSENTIALLY QUIT SLOWING THE TRUCK BELOW 10 MPH. EXTRA EFFORT IS REQUIRED TO STOP. THIS HAS CAUSED NUMEROUS NEAR MISS REAR END COLLISIONS. WHEN TOWING AN 8000 POUND TRAILER THIS IS A SIGNIFICANT SAFETY HAZARD. I REMOVED THE ABS BRAKE FUSE ON THE ADVICE OF A TECH AND THE PROBLEM STOP…

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FOR ALMOST A YEAR NOW THE BRAKES "DROP OUT" OR ESSENTIALLY QUIT SLOWING THE TRUCK BELOW 10 MPH. EXTRA EFFORT IS REQUIRED TO STOP. THIS HAS CAUSED NUMEROUS NEAR MISS REAR END COLLISIONS. WHEN TOWING AN 8000 POUND TRAILER THIS IS A SIGNIFICANT SAFETY HAZARD. I REMOVED THE ABS BRAKE FUSE ON THE ADVICE OF A TECH AND THE PROBLEM STOPPED IMMEDIATELY. WITH THE FUSE REINSTALLED THE PROBLEM RETURNS. *TR

NHTSA ODI #10318220

60,000 miles · Mar 2, 2010
Service Brakes, Hydraulic

2005 GMC SIERRA K2500 PICKUP TRUCK. PROBLEM - BRAKES FADE WHEN COMING TO A COMPLETE STOP. BRAKES WORK FINE UNTIL VEHICLE SLOWS TO 5-10MPH AT WHICH TIME BRAKE PEDAL LOSES PRESSURE - UNEXPECTEDLY INCREASES STOPPING DISTANCE BY 10-15 FEET CREATING HAZARDOUS CONDITION. ATTEMPTED RESOLUTION - REPLACED ALL FOUR BRAKE ROTORS AN…

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2005 GMC SIERRA K2500 PICKUP TRUCK. PROBLEM - BRAKES FADE WHEN COMING TO A COMPLETE STOP. BRAKES WORK FINE UNTIL VEHICLE SLOWS TO 5-10MPH AT WHICH TIME BRAKE PEDAL LOSES PRESSURE - UNEXPECTEDLY INCREASES STOPPING DISTANCE BY 10-15 FEET CREATING HAZARDOUS CONDITION. ATTEMPTED RESOLUTION - REPLACED ALL FOUR BRAKE ROTORS AND PADS AT OWN EXPENSE. PROBLEM STILL EXISTS. WENT TO DEALERAND DISCOVERED THAT THIS IS APPARENTLY A COMMON PROBLEM RELATED TO THE ANTI-LOCK BRAKE SENSORS LOCATED IN EACH WHEEL ASSEMBLY. THEY CLAIM THIS BRAKING SYSTEM FAILURE IS DUE TO NORMAL WEAR AND TEAR AND NOT A MANUFACTURERS DEFECT OR FAULTY DESIGN... MY PROBLEM IS THIS - IF THE DEALER (AND, BY EXTENSION, THE MANUFACTURER) KNOWS THAT THE BRAKE SYSTEM IS GOING TO START FAILING AFTER A FEW YEARS OF OPERATION, THEN HOW IS THIS DUE TO NORMAL WEAR AND TEAR AND NOT A DESIGN DEFECT??? THIS IS CLEARLY AN EXAMPLE OF A MANUFACTURER PUTTING OUT A PRODUCT THAT THEY KNOW WILL FAIL IN TIME AND, THUS, CREATE A HAZARDOUS SAFETY CONDITION. *TR

NHTSA ODI #10315473

Official recalls

1

08V519000 · Equipment Adaptive/mobility

Oct 6, 2008

MOBILITYWORKS IS RECALLING 133 MY 2005-2006 FORD E250, MY 2000, 2004-2006 E350, MY 2000, 2005 E450, MY 2005-2006 GMC 2500, GMC 3500, AND MY 2006 DODGE 2500 VANS EQUIPPED WITH RICON PLATFORM STYLE WHEELCHAIR LIFTS. THESE LIFTS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 403, "PLATFORM LIFT SYSTEMS FOR MOTOR VEHICLES." THE ANTI-STOW INTERLOCK MAY NOT DETECT THE PRESENCE OF A WHEELCHAIR OR MOBILITY AID USER. THE PRESSURE SENSING SWITCH THAT DETECTS THE PRESENCE OF WEIGHT ON THE PLATFORM WAS NOT ADJUSTED TO THE NECESSARY SENSITIVITY LEVEL. THE LIFT COULD STOW EVEN THOUGH SOMEONE OR SOMETHING IS STILL ON THE LIFT.

Consequence & remedy

Consequence: A LIFT OCCUPANT CAN BE INJURED SHOULD THE LIFT BEGIN TO STOW UNINTENTIONALLY.

Remedy: MOBILITYWORKS IS WORKING WITH RICON TO CORRECT THE WHEELCHAIR LIFTS FREE OF CHARGE (PLEASE SEE 07E097). OWNERS MAY CONTACT RICON AT 1-818-267-3000 OR MOBILITYWORKS AT 1-800-769-8267.

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

0

No exact-year investigations in this snapshot.