FaultScore

FaultScore report

2003 GMC Yukon XL 1500 problems

Owners have filed 87 complaints about the 2003 GMC Yukon XL 1500 with NHTSA between 2006 and 2017. The largest single group is the electrical system. Across this model's run it ranks 1 of 10 worst.

F

FaultScore 83/100

Higher is worse. Measured against the other years of the GMC Yukon XL 1500.

How this is worked out

The numbers

87

Complaints

7

Crashes reported

0

Fires reported

10

Injuries reported

97,000 mi

Median mileage at failure

Half of reported failures happened before this

8%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 100 vs 50 Severity 100 vs 50 Early failure 13 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 100
Against the median year of the GMC Yukon XL 1500. 50 means typical for this model; 100 means roughly double.
Severity — 100
19.5% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 13
8% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2003 compares with every other GMC Yukon XL 1500

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 2003 GMC Yukon XL 1500

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

1 crashes, 0 fires · median 94,000 mi

Brakes 18 20.7%

3 crashes, 0 fires · median 130,000 mi

Acceleration & Cruise Control 8 9.2%

1 crashes, 0 fires · median 105,000 mi

Engine & Cooling 8 9.2%

Median failure at 152,500 miles

Steering 7 8.0%

Median failure at 50,640 miles

Transmission & Drivetrain 7 8.0%

1 crashes, 0 fires · median 60,778 mi

Body & Structure 4 4.6%

Median failure at 76,175 miles

Windows, Mirrors & Wipers 3 3.4%

Median failure at 97,000 miles

Other & Unspecified 2 2.3%

Median failure at 76,145 miles

Stability & Traction Control 2 2.3%

Median failure at 130,587 miles

Wheels 1 1.1%

Median failure at 67,200 miles

Fuel & Propulsion 1 1.1%

1 crashes, 0 fires

Suspension 1 1.1%

Median failure at 51,280 miles

Airbags 1 1.1%

Exactly what failed

NHTSA files every complaint against a named sub-assembly, not just a system. This is the difference between knowing it was "the engine" and knowing which part of it — the list to hand a mechanic.

Instrument Cluster/Panel 12 57.1%
Driveline 2 9.5%
Hinge AND Attachments 2 9.5%
Hatchback/Liftgate 1 4.8%
Roof AND Pillars 1 4.8%
Sensor/Control Module 1 4.8%
Wheel Bearing 1 4.8%
Rotor 1 4.8%

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

Under 1,000 miles 2 3.0%
10,000 – 24,999 miles 2 3.0%
25,000 – 49,999 miles 1 1.5%
50,000 – 74,999 miles 14 21.2%
75,000 – 99,999 miles 16 24.2%
100,000 – 149,999 miles 16 24.2%
150,000+ miles 15 22.7%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Jun 2006 peak 9 Dec 2017

Recalls on the 2003 GMC Yukon XL 1500

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

United States — NHTSA

06E043000

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 CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.

Risk: 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.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

Rolling Meadows, IL Crash

SERVICE BRAKES

BRAKE LINES CORRODED RESULTING IN LOSS OF BRAKES AND REAR ENDING SCHOOL BUS. REPLACED ALL BRAKE LINES AT MY COST AS WELL AS THE DAMAGE TO THE FRONT END OF THE TRUCK. NOW, THE KNOWN ABS BRAKE SENSOR ISSUE IS ACTIVATING THE ABS AT LOW SPEEDS.

NHTSA complaint #10940042 — an unverified report by a vehicle owner.

Baltimore, MD Crash 4 injured

POWER TRAIN

THERE IS AN ERROR MESSAGE THAT DISPLAYS ON THE DASH FOR MYSELF AND THOUSANDS OF OTHERS WHO OWN GMC/CHEVY TRUCKS WITH THESE MOTORS. THEY HAVE A DEFECTIVE THROTTLE POSITION SENSOR WITH THE TRUCK WHERE IT SAYS "REDUCED ENGINE POWER". I'VE FOUND 2 TECHNICAL SERVICE BULLETINS THAT SOMEWHAT ADDRESS THE ISSUE, BUT MANY PEOPLE TAKE THEIR TRUCKS TO MECHANICS AND DEALERSHIPS TO GET THE ISSUE FIXED AND SPEND THOUSANDS OF DOLLARS IN REPAIRS AND TROUBLESHOOTING TO GET THE ISSUE RESOLVED, TO NO AVAIL. THE 2 TECHNICAL SERVICE BULLETINS THAT I FOUND WERE #PIP3089B (DATED 10/31/2006) AND #PIP3042A (DATED 8/30/2004). I'VE SEEN ON MANY MANY FORUM POSTS ABOUT THIS ISSUE AND POSSIBLE FIXES, WHICH WHEN I READ DEEPER INTO THEM, SEEM TO NOT BE TRUE FIXES.

NHTSA complaint #10775355 — an unverified report by a vehicle owner.

Baltimore, MD Crash 4 injured

VEHICLE SPEED CONTROL

THERE IS AN ERROR MESSAGE THAT DISPLAYS ON THE DASH FOR MYSELF AND THOUSANDS OF OTHERS WHO OWN GMC/CHEVY TRUCKS WITH THESE MOTORS. THEY HAVE A DEFECTIVE THROTTLE POSITION SENSOR WITH THE TRUCK WHERE IT SAYS "REDUCED ENGINE POWER". I'VE FOUND 2 TECHNICAL SERVICE BULLETINS THAT SOMEWHAT ADDRESS THE ISSUE, BUT MANY PEOPLE TAKE THEIR TRUCKS TO MECHANICS AND DEALERSHIPS TO GET THE ISSUE FIXED AND SPEND THOUSANDS OF DOLLARS IN REPAIRS AND TROUBLESHOOTING TO GET THE ISSUE RESOLVED, TO NO AVAIL. THE 2 TECHNICAL SERVICE BULLETINS THAT I FOUND WERE #PIP3089B (DATED 10/31/2006) AND #PIP3042A (DATED 8/30/2004). I'VE SEEN ON MANY MANY FORUM POSTS ABOUT THIS ISSUE AND POSSIBLE FIXES, WHICH WHEN I READ DEEPER INTO THEM, SEEM TO NOT BE TRUE FIXES.

NHTSA complaint #10775355 — an unverified report by a vehicle owner.

Baltimore, MD Crash 4 injured

FUEL/PROPULSION SYSTEM

THERE IS AN ERROR MESSAGE THAT DISPLAYS ON THE DASH FOR MYSELF AND THOUSANDS OF OTHERS WHO OWN GMC/CHEVY TRUCKS WITH THESE MOTORS. THEY HAVE A DEFECTIVE THROTTLE POSITION SENSOR WITH THE TRUCK WHERE IT SAYS "REDUCED ENGINE POWER". I'VE FOUND 2 TECHNICAL SERVICE BULLETINS THAT SOMEWHAT ADDRESS THE ISSUE, BUT MANY PEOPLE TAKE THEIR TRUCKS TO MECHANICS AND DEALERSHIPS TO GET THE ISSUE FIXED AND SPEND THOUSANDS OF DOLLARS IN REPAIRS AND TROUBLESHOOTING TO GET THE ISSUE RESOLVED, TO NO AVAIL. THE 2 TECHNICAL SERVICE BULLETINS THAT I FOUND WERE #PIP3089B (DATED 10/31/2006) AND #PIP3042A (DATED 8/30/2004). I'VE SEEN ON MANY MANY FORUM POSTS ABOUT THIS ISSUE AND POSSIBLE FIXES, WHICH WHEN I READ DEEPER INTO THEM, SEEM TO NOT BE TRUE FIXES.

NHTSA complaint #10775355 — an unverified report by a vehicle owner.

at 135,000 miles Mount Siani, NY Crash

SERVICE BRAKES

IWAS DRIVING AT LOW SPEED WENT TO STOP AT STOP SIGN WHEN BRAKE PEDDLE WENT TO FLOOR.I CRASHED INTO STOP SIGN TO STOP . TRUCK WAS TOWED TO DEALER. I WAS TOLD TO MAJOR BRAKE LINE BURST. TRUCK IS NOW AT DEALER BEING FIXED. AT A PRICE OF 2800.00. SOMETHING HAS TO BE DONE. THIS CAN'T GO ON ANY LONGER.

NHTSA complaint #10726547 — an unverified report by a vehicle owner.

Port Charlotte, FL 1 injured

STEERING

HTTP://TOWNHALL.EDMUNDS.COM/DIRECT/VIEW/.F0E807E/115 HTTP://WWW.GMINSIDENEWS.COM/FORUMS/F31/2003-YUKON-XL-REDUCED-POWER-ISSUE-HELP-90910/ HTTP://WWW.JUSTANSWER.COM/GM/5BFXF-GMC-2003-GMC-YUKON-5-3-MOTOR-CODE-P1518.HTML HTTP://WWW.CHEVYAVALANCHEFANCLUB.COM/CAFCNA/INDEX.PHP?TOPIC=43119.0;WAP2 PLEASE CHECK OUT THESE LINKS AS I HAVE BEEN SEARCHING FOR A FIX FOR MY "REDUCED ENGINE POWER" ISSUE WITH MY YUKON. I'VE COME ACROSS SEVERAL OTHERS WITH THE SAME ISSUE. MOST OF WHICH HAVE TAKEN THE ISSUE BACK TO GM DEALERS, WHO GET NO SUPPORT FOR THE PROBLEM FROM THE HOME OFFICE. I BELIEVE THIS COULD BE A VERY DANGEROUS ISSUE. THE ISSUE ITSELF IS THE TRUCK KICKS INTO "REDUCED ENGINE POWER" MODE AND THEN IT DOES NOT GO ANY FASTER THAN IDLE WHICH MEANS IT ALL OF THE SUDDEN REDUCES THE SPEED TO 5 MPH MAXIMUM AS WELL AS THE POWER STEERING GOES OUT AND THE ABS BRAKES. THAT IS VERY DANGEROUS IF YOU ARE ON THE HIGHWAY. PEOPLE HAVE BEEN TROUBLESHOOTING THE ISSUE WITH NO SOLID FIXES FROM WHAT I CAN FIND. I BELIEVE GM SHOULD COME UP WITH A FIX SO THAT ISN'T A DANGEROUS HAZARD TO CONSUMERS AND OWNERS OF WHAT LOOKS LIKE THERE 2003 MODEL YEARS, IT SEEMS TO BE MOSTLY THERE 2003 MODEL YEARS. GM DOESN'T SEEM TO WANT TO RECOGNIZE THIS AS AN ISSUE. PLEASE HELP US CONSUMERS OUT, WE WOULD JUST LIKE THIS PROBLEM SOLVED. THANK YOU VERY MUCH.

NHTSA complaint #10460326 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 230,000 miles Kansas City, MO

ELECTRICAL SYSTEM

VEHICLE RANDOMLY GOES INTO REDUCE ENGINE POWER MODE AND STALLS WHILE DRIVING. THIS HAS HAPPENED MULTIPLE TIMES WHILE DRIVING ON A HIGHWAY AND GOING UP A HILL WHERE IT NEARLY CAUSED A THREE CATASTROPHIC ACCIDENTS. BASIC RESEARCH SHOWS THAT GM HAS KNOWN ABOUT THIS ISSUE SINCE THE VEHICLES WERE A FEW YEARS OLD AND IT AFFECTS MANY YEARS OF GM VEHICLES. THERE IS A PROBLEM WITH BAD GROUNDING CONNECTORS RELATED TO THE THROTTLE BODY SENSOR AND AND WIRING HARNESS.

NHTSA complaint #11054219 — an unverified report by a vehicle owner.

Rolling Meadows, IL Crash

SERVICE BRAKES

BRAKE LINES CORRODED RESULTING IN LOSS OF BRAKES AND REAR ENDING SCHOOL BUS. REPLACED ALL BRAKE LINES AT MY COST AS WELL AS THE DAMAGE TO THE FRONT END OF THE TRUCK. NOW, THE KNOWN ABS BRAKE SENSOR ISSUE IS ACTIVATING THE ABS AT LOW SPEEDS.

NHTSA complaint #10940042 — an unverified report by a vehicle owner.

at 188,000 miles North Little Rock, AR

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2003 GMC YUKON XL 1500. THE CONTACT MENTIONED THAT THE PREVIOUS OWNER OF THE VEHICLE EXPERIENCED A FAILURE WITH THE REDUCED ENGINE POWER WARNING INDICATOR. THE DEALER REPLACED THE THROTTLE BODY, BUT THE FAILURE CONTINUED BEFORE THE CONTACT OWNED THE VEHICLE. THE CONTACT EXPERIENCED THE WARNING LIGHT RANDOMLY FLASHING, WHICH DRASTICALLY REDUCED THE SPEED TO LESS THAN 20 MPH. THE CONTACT HAD TO CONSTANTLY TURN OFF AND RESTART THE VEHICLE, BUT THE FAILURE CONTINUED TO PROGRESS RANDOMLY. THE DEALER REPLACED THE WIRING, 02 SENSOR, THE THROTTLE BODY WAS REPLACED A SECOND TIME, THE BATTERY, AND THE ALTERNATOR. THE REPAIRS FAILED TO PROVIDE A PERMANENT SOLUTION AND THE WARNING LIGHT CONTINUED TO ILLUMINATE FOR THE REDUCED ENGINE POWER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 188,000.

NHTSA complaint #10874699 — an unverified report by a vehicle owner.

at 188,000 miles North Little Rock, AR

ENGINE

TL* THE CONTACT OWNS A 2003 GMC YUKON XL 1500. THE CONTACT MENTIONED THAT THE PREVIOUS OWNER OF THE VEHICLE EXPERIENCED A FAILURE WITH THE REDUCED ENGINE POWER WARNING INDICATOR. THE DEALER REPLACED THE THROTTLE BODY, BUT THE FAILURE CONTINUED BEFORE THE CONTACT OWNED THE VEHICLE. THE CONTACT EXPERIENCED THE WARNING LIGHT RANDOMLY FLASHING, WHICH DRASTICALLY REDUCED THE SPEED TO LESS THAN 20 MPH. THE CONTACT HAD TO CONSTANTLY TURN OFF AND RESTART THE VEHICLE, BUT THE FAILURE CONTINUED TO PROGRESS RANDOMLY. THE DEALER REPLACED THE WIRING, 02 SENSOR, THE THROTTLE BODY WAS REPLACED A SECOND TIME, THE BATTERY, AND THE ALTERNATOR. THE REPAIRS FAILED TO PROVIDE A PERMANENT SOLUTION AND THE WARNING LIGHT CONTINUED TO ILLUMINATE FOR THE REDUCED ENGINE POWER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 188,000.

NHTSA complaint #10874699 — an unverified report by a vehicle owner.

at 198,000 miles Culloden, WV

ELECTRONIC STABILITY CONTROL (ESC)

ANTILOCK BRAKES BEGAN TO APPLY THEMSELVES IN RIGHT HAND TURNS GOING UP AND DOWN HILL AT SPEEDS UP TO 45 MPH. ALMOST CAUSES ME TO LOOSE CONTROL OF VEHICLE. HAD TO TAKE TO HURRICANE CHEVROLET SEVERAL TIMES TO GET FIXED COST ALMOST $4000

NHTSA complaint #10823872 — an unverified report by a vehicle owner.

at 250,000 miles N. Easton, MA

POWER TRAIN

REDUCED ENGINE POWER MODE ON HWY AT 70 MPH

NHTSA complaint #10818211 — an unverified report by a vehicle owner.

at 250,000 miles N. Easton, MA

ELECTRICAL SYSTEM

REDUCED ENGINE POWER MODE ON HWY AT 70 MPH

NHTSA complaint #10818211 — an unverified report by a vehicle owner.

at 250,000 miles N. Easton, MA

ENGINE

REDUCED ENGINE POWER MODE ON HWY AT 70 MPH

NHTSA complaint #10818211 — an unverified report by a vehicle owner.

at 168,260 miles Stockton, CA

STEERING

WHILE TRAVELING TO WORK MY VEHICLES CHECK ENGINE LIGHT CAME ON AND THE REDUCED POWER WARNING CAME ON AT WHICH TIME I HAD COMPLETE LOSS OF ACCELERATION, COMPLETE LOSS OF BRAKING, AND COMPLETE LOSS OF STEERING POWER. I THEN HAD TO COAST TO A STOP AND ATTEMPTED TO RESTART THE VEHICLE 6 TIMES BEFORE I WAS ABLE TO GET THE REDUCED POWER WARNING TO GO OFF AND WAS ABLE TO DRIVE ALTHOUGH THE CHECK ENGINE LIGHT STAYED ON. THIS IS THE 2ND TIME THIS HAS HAPPENED TO ME IN 2 DAYS WITH THE LOSS OF POWER. I HAVE HAD THE REDUCED POWER WARNING ON NUMEROUS OCCASIONS YEARS PAST BUT NEVER HAVE I LOST TOTAL / ABSOLUTE POWER TO CONTROL THE VEHICLE, THIS IS A TOTAL DEATH TRAP FOR ANYONE WHO HAS HAD THIS EXPERIENCE, ESPECIALLY ON THE FREEWAY OR HIGHWAYS AT HIGH SPEEDS. I HAVE READ NUMEROUS ACCOUNTS OF THIS SAME ISSUE AFFECTING OTHER GMC OWNERS AND HAVE SEEN NO RESOLUTIONS OR ANY RECALLS FROM GMC. I HAVE ALREADY REPLACED THE THROTTLE HOUSING AND HARNESS COMPONENTS, ACCELERATION PEDAL SENSOR AND YET THE ISSUE CONTINUES, SOMEONE IS GOING TO ( DIE ) BECAUSE OF GMC'S LACK OF CONCERN AND RESPONSIBILITY TO OWNERS OF THEIR PRODUCTS. I WILL NEVER EVER OWN ANOTHER GMC ASSOCIATED PRODUCT.

NHTSA complaint #10778119 — an unverified report by a vehicle owner.

at 168,260 miles Stockton, CA

ELECTRICAL SYSTEM

WHILE TRAVELING TO WORK MY VEHICLES CHECK ENGINE LIGHT CAME ON AND THE REDUCED POWER WARNING CAME ON AT WHICH TIME I HAD COMPLETE LOSS OF ACCELERATION, COMPLETE LOSS OF BRAKING, AND COMPLETE LOSS OF STEERING POWER. I THEN HAD TO COAST TO A STOP AND ATTEMPTED TO RESTART THE VEHICLE 6 TIMES BEFORE I WAS ABLE TO GET THE REDUCED POWER WARNING TO GO OFF AND WAS ABLE TO DRIVE ALTHOUGH THE CHECK ENGINE LIGHT STAYED ON. THIS IS THE 2ND TIME THIS HAS HAPPENED TO ME IN 2 DAYS WITH THE LOSS OF POWER. I HAVE HAD THE REDUCED POWER WARNING ON NUMEROUS OCCASIONS YEARS PAST BUT NEVER HAVE I LOST TOTAL / ABSOLUTE POWER TO CONTROL THE VEHICLE, THIS IS A TOTAL DEATH TRAP FOR ANYONE WHO HAS HAD THIS EXPERIENCE, ESPECIALLY ON THE FREEWAY OR HIGHWAYS AT HIGH SPEEDS. I HAVE READ NUMEROUS ACCOUNTS OF THIS SAME ISSUE AFFECTING OTHER GMC OWNERS AND HAVE SEEN NO RESOLUTIONS OR ANY RECALLS FROM GMC. I HAVE ALREADY REPLACED THE THROTTLE HOUSING AND HARNESS COMPONENTS, ACCELERATION PEDAL SENSOR AND YET THE ISSUE CONTINUES, SOMEONE IS GOING TO ( DIE ) BECAUSE OF GMC'S LACK OF CONCERN AND RESPONSIBILITY TO OWNERS OF THEIR PRODUCTS. I WILL NEVER EVER OWN ANOTHER GMC ASSOCIATED PRODUCT.

NHTSA complaint #10778119 — an unverified report by a vehicle owner.

at 168,260 miles Stockton, CA

SERVICE BRAKES

WHILE TRAVELING TO WORK MY VEHICLES CHECK ENGINE LIGHT CAME ON AND THE REDUCED POWER WARNING CAME ON AT WHICH TIME I HAD COMPLETE LOSS OF ACCELERATION, COMPLETE LOSS OF BRAKING, AND COMPLETE LOSS OF STEERING POWER. I THEN HAD TO COAST TO A STOP AND ATTEMPTED TO RESTART THE VEHICLE 6 TIMES BEFORE I WAS ABLE TO GET THE REDUCED POWER WARNING TO GO OFF AND WAS ABLE TO DRIVE ALTHOUGH THE CHECK ENGINE LIGHT STAYED ON. THIS IS THE 2ND TIME THIS HAS HAPPENED TO ME IN 2 DAYS WITH THE LOSS OF POWER. I HAVE HAD THE REDUCED POWER WARNING ON NUMEROUS OCCASIONS YEARS PAST BUT NEVER HAVE I LOST TOTAL / ABSOLUTE POWER TO CONTROL THE VEHICLE, THIS IS A TOTAL DEATH TRAP FOR ANYONE WHO HAS HAD THIS EXPERIENCE, ESPECIALLY ON THE FREEWAY OR HIGHWAYS AT HIGH SPEEDS. I HAVE READ NUMEROUS ACCOUNTS OF THIS SAME ISSUE AFFECTING OTHER GMC OWNERS AND HAVE SEEN NO RESOLUTIONS OR ANY RECALLS FROM GMC. I HAVE ALREADY REPLACED THE THROTTLE HOUSING AND HARNESS COMPONENTS, ACCELERATION PEDAL SENSOR AND YET THE ISSUE CONTINUES, SOMEONE IS GOING TO ( DIE ) BECAUSE OF GMC'S LACK OF CONCERN AND RESPONSIBILITY TO OWNERS OF THEIR PRODUCTS. I WILL NEVER EVER OWN ANOTHER GMC ASSOCIATED PRODUCT.

NHTSA complaint #10778119 — an unverified report by a vehicle owner.

Baltimore, MD Crash 4 injured

POWER TRAIN

THERE IS AN ERROR MESSAGE THAT DISPLAYS ON THE DASH FOR MYSELF AND THOUSANDS OF OTHERS WHO OWN GMC/CHEVY TRUCKS WITH THESE MOTORS. THEY HAVE A DEFECTIVE THROTTLE POSITION SENSOR WITH THE TRUCK WHERE IT SAYS "REDUCED ENGINE POWER". I'VE FOUND 2 TECHNICAL SERVICE BULLETINS THAT SOMEWHAT ADDRESS THE ISSUE, BUT MANY PEOPLE TAKE THEIR TRUCKS TO MECHANICS AND DEALERSHIPS TO GET THE ISSUE FIXED AND SPEND THOUSANDS OF DOLLARS IN REPAIRS AND TROUBLESHOOTING TO GET THE ISSUE RESOLVED, TO NO AVAIL. THE 2 TECHNICAL SERVICE BULLETINS THAT I FOUND WERE #PIP3089B (DATED 10/31/2006) AND #PIP3042A (DATED 8/30/2004). I'VE SEEN ON MANY MANY FORUM POSTS ABOUT THIS ISSUE AND POSSIBLE FIXES, WHICH WHEN I READ DEEPER INTO THEM, SEEM TO NOT BE TRUE FIXES.

NHTSA complaint #10775355 — an unverified report by a vehicle owner.

Baltimore, MD Crash 4 injured

VEHICLE SPEED CONTROL

THERE IS AN ERROR MESSAGE THAT DISPLAYS ON THE DASH FOR MYSELF AND THOUSANDS OF OTHERS WHO OWN GMC/CHEVY TRUCKS WITH THESE MOTORS. THEY HAVE A DEFECTIVE THROTTLE POSITION SENSOR WITH THE TRUCK WHERE IT SAYS "REDUCED ENGINE POWER". I'VE FOUND 2 TECHNICAL SERVICE BULLETINS THAT SOMEWHAT ADDRESS THE ISSUE, BUT MANY PEOPLE TAKE THEIR TRUCKS TO MECHANICS AND DEALERSHIPS TO GET THE ISSUE FIXED AND SPEND THOUSANDS OF DOLLARS IN REPAIRS AND TROUBLESHOOTING TO GET THE ISSUE RESOLVED, TO NO AVAIL. THE 2 TECHNICAL SERVICE BULLETINS THAT I FOUND WERE #PIP3089B (DATED 10/31/2006) AND #PIP3042A (DATED 8/30/2004). I'VE SEEN ON MANY MANY FORUM POSTS ABOUT THIS ISSUE AND POSSIBLE FIXES, WHICH WHEN I READ DEEPER INTO THEM, SEEM TO NOT BE TRUE FIXES.

NHTSA complaint #10775355 — an unverified report by a vehicle owner.

Baltimore, MD Crash 4 injured

FUEL/PROPULSION SYSTEM

THERE IS AN ERROR MESSAGE THAT DISPLAYS ON THE DASH FOR MYSELF AND THOUSANDS OF OTHERS WHO OWN GMC/CHEVY TRUCKS WITH THESE MOTORS. THEY HAVE A DEFECTIVE THROTTLE POSITION SENSOR WITH THE TRUCK WHERE IT SAYS "REDUCED ENGINE POWER". I'VE FOUND 2 TECHNICAL SERVICE BULLETINS THAT SOMEWHAT ADDRESS THE ISSUE, BUT MANY PEOPLE TAKE THEIR TRUCKS TO MECHANICS AND DEALERSHIPS TO GET THE ISSUE FIXED AND SPEND THOUSANDS OF DOLLARS IN REPAIRS AND TROUBLESHOOTING TO GET THE ISSUE RESOLVED, TO NO AVAIL. THE 2 TECHNICAL SERVICE BULLETINS THAT I FOUND WERE #PIP3089B (DATED 10/31/2006) AND #PIP3042A (DATED 8/30/2004). I'VE SEEN ON MANY MANY FORUM POSTS ABOUT THIS ISSUE AND POSSIBLE FIXES, WHICH WHEN I READ DEEPER INTO THEM, SEEM TO NOT BE TRUE FIXES.

NHTSA complaint #10775355 — an unverified report by a vehicle owner.

Baltimore, MD

VEHICLE SPEED CONTROL

I KEEP HAVING THE DISPLAY SAY "REDUCED ENGINE POWER". I'LL BE DRIVING ON THE HIGHWAY, DOING 65 IN RUSH HOUR TRAFFIC, WHEN ALL OF THE SUDDEN THE ACCELERATOR NO LONGER ACCELERATES AND IT DISPLAYS "REDUCED ENGINE POWER" ON THE GAUGE CLUSTER DISPLAY. FROM WHAT I'VE SEEN ONLINE IT APPEARS TO BE AN ISSUE WITH THE THROTTLE POSITION SENSOR ON THOUSANDS OF OTHER SIMILAR VEHICLES WITH THE SAME ENGINE, CHEVY SUBURBAN'S, SILVERADO'S, TAHOE'S, ETC. I REPLACED THE THROTTLE POSITION SENSOR AND THE HARNESS (BECAUSE I HEARD THE HARNESS MIGHT ALSO BE AN ISSUE) AND I AM STILL HAVING THE SAME PROBLEM WITH MY TRUCK. IT HAS DONE IT OVER A DOZEN TIMES ON ONE TRIP BACK FROM WORK (80 MILES FOR ME). I HAVE TO PULL OVER TO THE SIDE OF THE ROAD (IF POSSIBLE) AND TURN OFF THE TRUCK, THEN WAIT A SHORT PERIOD OF TIME, THEN TURN THE TRUCK BACK ON. THIS USUALLY FIXES THE ISSUE, BUT IT DID NOT HELP ME WHEN IT HAPPENED TO ME IN THE TUNNEL AND I WAS GOING 5 MPH (TOP SPEED DURING THE "REDUCED ENGINE POWER" MODE, ONCE YOUR DRIFTING STOPS (BECAUSE YOU DRIFT, IT DOESN'T ENGAGE THE BRAKES). I WAS EXTREMELY WORRIED THAT I WOULDN'T MAKE IT OUT OF THE TUNNEL WITHOUT GET REAR ENDED, AND ONCE I MADE IT OUT, I WAS JUST OUTSIDE OF THE TUNNEL AWAITING ROADSIDE ASSISTANCE, IT WAS VERY FRIGHTENING, WITH MY DAUGHTER IN THE CAR.

NHTSA complaint #10763770 — an unverified report by a vehicle owner.

Baltimore, MD

UNKNOWN OR OTHER

I KEEP HAVING THE DISPLAY SAY "REDUCED ENGINE POWER". I'LL BE DRIVING ON THE HIGHWAY, DOING 65 IN RUSH HOUR TRAFFIC, WHEN ALL OF THE SUDDEN THE ACCELERATOR NO LONGER ACCELERATES AND IT DISPLAYS "REDUCED ENGINE POWER" ON THE GAUGE CLUSTER DISPLAY. FROM WHAT I'VE SEEN ONLINE IT APPEARS TO BE AN ISSUE WITH THE THROTTLE POSITION SENSOR ON THOUSANDS OF OTHER SIMILAR VEHICLES WITH THE SAME ENGINE, CHEVY SUBURBAN'S, SILVERADO'S, TAHOE'S, ETC. I REPLACED THE THROTTLE POSITION SENSOR AND THE HARNESS (BECAUSE I HEARD THE HARNESS MIGHT ALSO BE AN ISSUE) AND I AM STILL HAVING THE SAME PROBLEM WITH MY TRUCK. IT HAS DONE IT OVER A DOZEN TIMES ON ONE TRIP BACK FROM WORK (80 MILES FOR ME). I HAVE TO PULL OVER TO THE SIDE OF THE ROAD (IF POSSIBLE) AND TURN OFF THE TRUCK, THEN WAIT A SHORT PERIOD OF TIME, THEN TURN THE TRUCK BACK ON. THIS USUALLY FIXES THE ISSUE, BUT IT DID NOT HELP ME WHEN IT HAPPENED TO ME IN THE TUNNEL AND I WAS GOING 5 MPH (TOP SPEED DURING THE "REDUCED ENGINE POWER" MODE, ONCE YOUR DRIFTING STOPS (BECAUSE YOU DRIFT, IT DOESN'T ENGAGE THE BRAKES). I WAS EXTREMELY WORRIED THAT I WOULDN'T MAKE IT OUT OF THE TUNNEL WITHOUT GET REAR ENDED, AND ONCE I MADE IT OUT, I WAS JUST OUTSIDE OF THE TUNNEL AWAITING ROADSIDE ASSISTANCE, IT WAS VERY FRIGHTENING, WITH MY DAUGHTER IN THE CAR.

NHTSA complaint #10763770 — an unverified report by a vehicle owner.

Baltimore, MD

ENGINE

I KEEP HAVING THE DISPLAY SAY "REDUCED ENGINE POWER". I'LL BE DRIVING ON THE HIGHWAY, DOING 65 IN RUSH HOUR TRAFFIC, WHEN ALL OF THE SUDDEN THE ACCELERATOR NO LONGER ACCELERATES AND IT DISPLAYS "REDUCED ENGINE POWER" ON THE GAUGE CLUSTER DISPLAY. FROM WHAT I'VE SEEN ONLINE IT APPEARS TO BE AN ISSUE WITH THE THROTTLE POSITION SENSOR ON THOUSANDS OF OTHER SIMILAR VEHICLES WITH THE SAME ENGINE, CHEVY SUBURBAN'S, SILVERADO'S, TAHOE'S, ETC. I REPLACED THE THROTTLE POSITION SENSOR AND THE HARNESS (BECAUSE I HEARD THE HARNESS MIGHT ALSO BE AN ISSUE) AND I AM STILL HAVING THE SAME PROBLEM WITH MY TRUCK. IT HAS DONE IT OVER A DOZEN TIMES ON ONE TRIP BACK FROM WORK (80 MILES FOR ME). I HAVE TO PULL OVER TO THE SIDE OF THE ROAD (IF POSSIBLE) AND TURN OFF THE TRUCK, THEN WAIT A SHORT PERIOD OF TIME, THEN TURN THE TRUCK BACK ON. THIS USUALLY FIXES THE ISSUE, BUT IT DID NOT HELP ME WHEN IT HAPPENED TO ME IN THE TUNNEL AND I WAS GOING 5 MPH (TOP SPEED DURING THE "REDUCED ENGINE POWER" MODE, ONCE YOUR DRIFTING STOPS (BECAUSE YOU DRIFT, IT DOESN'T ENGAGE THE BRAKES). I WAS EXTREMELY WORRIED THAT I WOULDN'T MAKE IT OUT OF THE TUNNEL WITHOUT GET REAR ENDED, AND ONCE I MADE IT OUT, I WAS JUST OUTSIDE OF THE TUNNEL AWAITING ROADSIDE ASSISTANCE, IT WAS VERY FRIGHTENING, WITH MY DAUGHTER IN THE CAR.

NHTSA complaint #10763770 — an unverified report by a vehicle owner.

at 135,000 miles Mount Siani, NY Crash

SERVICE BRAKES

IWAS DRIVING AT LOW SPEED WENT TO STOP AT STOP SIGN WHEN BRAKE PEDDLE WENT TO FLOOR.I CRASHED INTO STOP SIGN TO STOP . TRUCK WAS TOWED TO DEALER. I WAS TOLD TO MAJOR BRAKE LINE BURST. TRUCK IS NOW AT DEALER BEING FIXED. AT A PRICE OF 2800.00. SOMETHING HAS TO BE DONE. THIS CAN'T GO ON ANY LONGER.

NHTSA complaint #10726547 — an unverified report by a vehicle owner.

at 106 miles Wayland, MI

POWER TRAIN

VEHICLE HAS BEEN SERVICED SEVERAL TIMES SINCE FIRST OCCURRENCE IN SEPTEMBER 2014. "REDUCED ENGINE POWER" AND SERVICE ENGINE SOON SIGNALS APPEAR ON VEHICLE PANEL CAUSING ENGINE POWER TO BE REDUCED IN A MATTER OF SECONDS. HAS HAPPENED TO ME GOING 10MPH, 55MPH, AND 70MPH ON HIGHWAY, CAUSING A NEAR REAR COLLISION BECAUSE I LOST POWER SO QUICKLY. I HAVE HAD IT SERVICED 6 OR 7 TIMES SINCE SEPTEMBER 2014 AND THIS ISSUE IS NOT GETTING RESOLVED. THROTTLE BODY SENSOR REPLACED TWICE, THROTTLE BODY HARNESS REPLACED, ALL WIRES, AND SENSORS HAVE BEEN CLEANED AND THOROUGHLY INSPECTED. REDUCED ENGINE POWER OCCURS WEEKLY EVEN AFTER BEING SERVICED.

NHTSA complaint #10690082 — an unverified report by a vehicle owner.

at 106 miles Wayland, MI

VEHICLE SPEED CONTROL

VEHICLE HAS BEEN SERVICED SEVERAL TIMES SINCE FIRST OCCURRENCE IN SEPTEMBER 2014. "REDUCED ENGINE POWER" AND SERVICE ENGINE SOON SIGNALS APPEAR ON VEHICLE PANEL CAUSING ENGINE POWER TO BE REDUCED IN A MATTER OF SECONDS. HAS HAPPENED TO ME GOING 10MPH, 55MPH, AND 70MPH ON HIGHWAY, CAUSING A NEAR REAR COLLISION BECAUSE I LOST POWER SO QUICKLY. I HAVE HAD IT SERVICED 6 OR 7 TIMES SINCE SEPTEMBER 2014 AND THIS ISSUE IS NOT GETTING RESOLVED. THROTTLE BODY SENSOR REPLACED TWICE, THROTTLE BODY HARNESS REPLACED, ALL WIRES, AND SENSORS HAVE BEEN CLEANED AND THOROUGHLY INSPECTED. REDUCED ENGINE POWER OCCURS WEEKLY EVEN AFTER BEING SERVICED.

NHTSA complaint #10690082 — an unverified report by a vehicle owner.

at 127,000 miles Cincinnati, OH

SERVICE BRAKES

TL* THE CONTACT OWNS A 2003 GMC YUKON XL 1500. WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES FAILED AND THE BRAKE PEDAL EXTENDED TO THE FLOORBOARD WHEN APPLIED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 127,000.

NHTSA complaint #10632802 — an unverified report by a vehicle owner.

at 149,000 miles Silver City, NM

STEERING

WHILE DRIVING POSTED SPEED ON EXPRESSWAY VEHICLE SUDDENLY SHUT OFF. LEAVING NO POWER STEERING NO POWER BRAKES. I SEE MANY COMPLAINTS ON YOUR WEBSITE AS WELL AS ONLINE. ARE YOU DOING ANYTHING ABOUT THIS ISSUE? IT IS THE SAME ISSUE THAT YOU ARE CURRENTLY REQUIRING GM TO RECALL OVER 1 MILLION VEHICLES FOR. YOUR CURRENT RECALL ONLY GOES BACK TO THE 2009 MODELS. WHY ARE YOU NOT REQUIRING ALL GM VEHICLES RECALLED SINCE 1996? THEY ALL HAVE THE SAME KEY LOCK SYSTEM AND SAME ABS SYSTEMS BOTH OF WHICH SEEM TO CONTRIBUTE TO OR CAUSE THE PROBLEM. IF A VEHICLE IS BUILT WITH A SAFETY HAZARD DOES THE FACT THAT IT IS OLDER MEAN THAT IT IS NO LONGER A MANUFACTURER'S RESPONSIBILITY TO REPAIR IT? SINCE THE GOVERNMENT OWNS GM HOW ARE YOU AFFECTED IN INITIATING A RECALL? THE GOVERNMENT DOES NOT ALLOW OTHER COMPANIES TO POLICE THEMSELVES, YET IS THAT NOT WHAT YOU ARE DOING WITH GM?

NHTSA complaint #10632320 — an unverified report by a vehicle owner.

at 149,000 miles Silver City, NM

ENGINE

WHILE DRIVING POSTED SPEED ON EXPRESSWAY VEHICLE SUDDENLY SHUT OFF. LEAVING NO POWER STEERING NO POWER BRAKES. I SEE MANY COMPLAINTS ON YOUR WEBSITE AS WELL AS ONLINE. ARE YOU DOING ANYTHING ABOUT THIS ISSUE? IT IS THE SAME ISSUE THAT YOU ARE CURRENTLY REQUIRING GM TO RECALL OVER 1 MILLION VEHICLES FOR. YOUR CURRENT RECALL ONLY GOES BACK TO THE 2009 MODELS. WHY ARE YOU NOT REQUIRING ALL GM VEHICLES RECALLED SINCE 1996? THEY ALL HAVE THE SAME KEY LOCK SYSTEM AND SAME ABS SYSTEMS BOTH OF WHICH SEEM TO CONTRIBUTE TO OR CAUSE THE PROBLEM. IF A VEHICLE IS BUILT WITH A SAFETY HAZARD DOES THE FACT THAT IT IS OLDER MEAN THAT IT IS NO LONGER A MANUFACTURER'S RESPONSIBILITY TO REPAIR IT? SINCE THE GOVERNMENT OWNS GM HOW ARE YOU AFFECTED IN INITIATING A RECALL? THE GOVERNMENT DOES NOT ALLOW OTHER COMPANIES TO POLICE THEMSELVES, YET IS THAT NOT WHAT YOU ARE DOING WITH GM?

NHTSA complaint #10632320 — an unverified report by a vehicle owner.

at 149,000 miles Silver City, NM

SERVICE BRAKES

WHILE DRIVING POSTED SPEED ON EXPRESSWAY VEHICLE SUDDENLY SHUT OFF. LEAVING NO POWER STEERING NO POWER BRAKES. I SEE MANY COMPLAINTS ON YOUR WEBSITE AS WELL AS ONLINE. ARE YOU DOING ANYTHING ABOUT THIS ISSUE? IT IS THE SAME ISSUE THAT YOU ARE CURRENTLY REQUIRING GM TO RECALL OVER 1 MILLION VEHICLES FOR. YOUR CURRENT RECALL ONLY GOES BACK TO THE 2009 MODELS. WHY ARE YOU NOT REQUIRING ALL GM VEHICLES RECALLED SINCE 1996? THEY ALL HAVE THE SAME KEY LOCK SYSTEM AND SAME ABS SYSTEMS BOTH OF WHICH SEEM TO CONTRIBUTE TO OR CAUSE THE PROBLEM. IF A VEHICLE IS BUILT WITH A SAFETY HAZARD DOES THE FACT THAT IT IS OLDER MEAN THAT IT IS NO LONGER A MANUFACTURER'S RESPONSIBILITY TO REPAIR IT? SINCE THE GOVERNMENT OWNS GM HOW ARE YOU AFFECTED IN INITIATING A RECALL? THE GOVERNMENT DOES NOT ALLOW OTHER COMPANIES TO POLICE THEMSELVES, YET IS THAT NOT WHAT YOU ARE DOING WITH GM?

NHTSA complaint #10632320 — an unverified report by a vehicle owner.

at 149,125 miles Little Falls, NJ

SERVICE BRAKES

COMING DOWN AN ONRAMP ONTO THE HIGHWAY, I BRAKE TO YIELD ONLY TO HAVE THE BRAKE PEDAL DROP NEARLY TO THE FLOOR. THIS CAUGHT ME OFF GUARD AND AS I WAS FORCED TO MERGE INTO TRAFFIC I ATTEMPT TO APPLY THE BRAKE AGAIN ONLY TO HAVE IT DROP FURTHER. SO I ATTEMPTED TO GRADUALLY APPLY THE EMERGENCY BRAKE BUT IT ALSO ENDED UP FULLY EXTENDED AND HAVING NO EFFECT. WITH MAIN BRAKING POWER ALMOST GONE, I USED A LOWER TRANSMISSION GEAR TO SLOW THE VEHICLE AND EXIT THE HIGHWAY INTO A PARKING LOT. THERE I DISCOVERED EXCESSIVE BRAKE FLUID LOSS COMING FROM THE DRIVER SIDE REAR WHEEL/SUSPENSION AREA. DEALER REPAIR REPORT: "FOUND VEHICLE TO HAVE LOST BREAKING ABILITY. FOUND REAR BRAKE LINES FROM ABS HUB RUSTED OUT CAUSING SYSTEM TO LOOSE BRAKING. REMOVED AND REPLACED REAR BRAKE LINES FROM ABS HUB TO MASTER." CONSIDERING THE BUSY HIGHWAY I WAS ENTERING AND ABSOLUTE NO WARNING FROM THE VEHICLE EITHER BY ELECTRONICS OR "FEEL", I CONSIDER IT A MIRACLE I WAS NOT IN A CRASH OR WORSE. AN ASE CERTIFIED MECHANIC TOLD ME THAT THE BRAKE LINES CORRODE, LIKELY DUE TO WINTER ROAD SALT EXPOSURE OVER TIME, AND ON THE YUKON ARE IN A LOCATION IN THE REAR THAT MAKES IT DIFFICULT IF NOT IMPOSSIBLE TO INSPECT OTHER THAN BY "FEEL" (INSTEAD OF VISUALLY).

NHTSA complaint #10627784 — an unverified report by a vehicle owner.