Built from official NHTSA complaint and recall data · data through 07/12/2026
High complaint levelIts most-reported problem — Service Brakes, Hydraulic — runs 4.9× the fleet median for that category across the 2075 model-years tracked on this site.
134Complaints
5Recalls
11Crashes
2Fires
9Injured
0Deaths
Source: U.S. NHTSA complaint & recall data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
Is this problem acknowledged?
The most-reported problem — Service Brakes, Hydraulic (17.9% of complaints) — is covered by 1 NHTSA recall campaign.
Service Brakes, Hydraulic complaints here are 4.9× the median for that category across the 2075 model-years tracked on this site.
Complaint category
Reports
Official status
Reference
Service Brakes, Hydraulic
24 · 17.9%
Recalled
Recall 06E050000
Engine And Engine Cooling
16 · 11.9%
not available
—
Service Brakes
13 · 9.7%
Recalled
Recall 06E050000
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip
12 · 9%
Recalled
Recall 06E050000
Engine
8 · 6%
not available
—
Tires
6 · 4.5%
not available
—
Recalled = an NHTSA safety recall covers this category, so a free repair exists. Under investigation = NHTSA has an open probe but no recall yet. Investigation closed = NHTSA examined it and closed the probe — this is not a defect finding; where a closed probe led to a recall we name the campaign. Not available = recall or investigation data could not be confirmed for this vehicle — it is not a “no”. Categories are matched by NHTSA's top-level component. Check your VIN at nhtsa.gov/recalls.
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP12 · 9%
ENGINE8 · 6%
TIRES6 · 4.5%
POWER TRAIN:AUTOMATIC TRANSMISSION5 · 3.7%
STEERING5 · 3.7%
TIRES:TREAD/BELT5 · 3.7%
Unspecified / other5 · 3.7%
Percentages are the share of the 134 complaints citing each component; one complaint can cite several components. “Unspecified / other” is NHTSA’s own catch-all category — we show it rather than hide it.
IF THE TIRES ARE UNDER-INFLATED, IT COULD REDUCE THE TREAD LIFE OF THE TIRE, AND THE TIRE COULD DEGRADE TO A POINT OF ALLOWING SUDDEN AIR LOSS. IF THE TIRES ARE OVER-INFLATED, IT COULD REDUCE THE TREAD LIFE OF THE TIRE AND INCREASE SUSCEPTIBILITY TO ROAD HAZARD DAMAGE.… Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
Park itPark outside Specimen badges — shown on a recall card only when NHTSA sets the flag. None of the campaigns above carries either flag. Always check your own vehicle by VIN at nhtsa.gov/recalls.
What owners report
“FIRST POWER STEERING AND HYDROBOOST LINES RUSTS THROUGH. BRAKE LINES RUPTURES IN CRASH DUE TO ACCIDENT. GM NEEDS TO RECALL THEIR TRUCKS AND FIX THE…”NHTSA complaint 10454973 — filed 04/12/2012 · SERVICE BRAKES, HYDRAULIC
“THE BRAKE PEDAL WENT SOFT, THE BRAKE SYSTEM LOST PRESSURE, MAJOR BRAKE FLUID LEAK FROM METAL LINE(S) ADJACENT TO THE ABS PUMP/MODULE ASSY. SUBSEQUENT INSPECTION…”NHTSA complaint 10438842 — filed 12/07/2011 · SERVICE BRAKES, HYDRAULIC
“THE CONTACT OWNS A 2001 GMC SIERRA 2500 HD. WHILE DRIVING APPROXIMATELY 20 MPH THE CONTACT APPLIED PRESSURE TO THE BRAKE PEDAL AND THE VEHICLE…”NHTSA complaint 10398095 — filed 04/28/2011 · SERVICE BRAKES, HYDRAULIC
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Complaint trend by year filed
Frequently asked questions
What are the most common problems with the 2001 GMC Sierra 2500?
Service brakes, hydraulic issues are the most-reported category, cited in 24 of 134 NHTSA complaints (17.9%), followed by engine and engine cooling (16), service brakes (13), service brakes, hydraulic:antilock/traction control/electronic limited slip (12). Complaints are unverified owner reports.
How many complaints does the 2001 GMC Sierra 2500 have?
134 complaints were on file with NHTSA as of 07/12/2026. Of those, 11 involved a crash, 2 involved a fire, and 9 reported injuries. No deaths were reported.
Does the 2001 GMC Sierra 2500 have any recalls?
Yes — 5 NHTSA safety recall campaigns, including campaign 01V125000. Recall repairs are free at authorized dealers. Check your specific vehicle by VIN at nhtsa.gov/recalls.
Has NHTSA acted on the 2001 GMC Sierra 2500's reported problems?
Recall or investigation data is partly unavailable for this vehicle right now — check your VIN at nhtsa.gov/recalls for the authoritative answer.
Is a complaint proof of a defect?
No. Complaints are reports submitted by consumers to NHTSA. NHTSA does not verify individual complaints, and a complaint is not proof that a defect exists.
About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.
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