There are 10 owner-reported speed control & cruise complaints for the 2004 Chevrolet Suburbanin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNED A 2004 CHEVROLET SUBURBAN 1500. WHILE DRIVING 15 MPH, THE VEHICLE ACCELERATED INDEPENDENTLY AND THE CONTACT LOST CONTROL OF THE VEHICLE. THE CONTACT STATED THAT THE VEHICLE LEFT THE ROADWAY, RAN INTO A DITCH, WENT AIRBORNE AND FLIPPED ONTO THE PASSENGER SIDE. THE CONTACT STATED THAT THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER TECHNICAL SERVICE BULLETINS: PIT3598 (SEAT) FOR ADJUSTMENT TO THE BRAKE AND ACCELERATOR PEDALS. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC. A POLICE REPORT WAS NOT FILED. THE CONTACT SUSTAINED INJURIES THAT DID NOT REQUIRE MEDICAL ATTENTION. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS DESTROYED. THE APPROXIMATE FAILURE MILEAGE WAS 129,000.
I WAS TRAVELING DOWN THE ROAD AT 60 MPH WHEN THE DISPLAY SAID "REDUCED ENGINE POWER" AND MY VEHICLE DECREASED IN POWER. IT DIDN'T MATTER HOW MUCH I PRESSED THE ACCELERATOR THE CAR WOULD ONLY GO 10 MILES AN HOUR. I PULLED OVER, CHECKED UNDER THE HOOD, EVERYTHING LOOKED FINE. STARTED IT AGAIN, IT DROVE FINE FOR ABOUT 2 MILES THEN THE SAME MESSAGE WAS DISPLAYED. I TURNED AROUND AND HEADED HOME DRIVING 10 MILES AN HOUR. *TR
DRIVING DOWN THE ROAD, WHEN ALL OF A SUDDEN "REDUCED ENGINE POWER". REPLACED THE THROTTLE BODY, PEDAL SENSOR, AND WIRING HARNESS WITHOUT ANY SUCCESS. GM WANTS 150 JUST TO PLUG IT INTO THEIR COMPUTER TO TELL ME WHAT I CAN GET DOWN FOR FREE WITH MY BUDDIES CODE READER....NO I WON'T LET MY WIFE OR CHILDREN DRIVE THE CAR. I ONLY DRIVE IT TO AND FROM WORK. HAD TO GO OUT AND BUY A TOYOTA JUST TO KEEP MY MIND AT EASE SO MY WIFE AND OR KIDS WON'T GET KILLED FROM THIS PROBLEM. IT SEEMS LIKE CHEVY/GMC DOESN'T CARE ABOUT THIS ISSUE UNTIL MULTIPLE PEOPLE DIE FROM THIS. I HOPE TO SEE THAT THEY WILL DO THE RIGHT THING. THINKING OF CONTACTING MY CONGRESS REPRESENTATIVE TO SEE WHAT THEY CAN DO TO HELP OUT US THAT ARE DEALING WITH THIS ISSUE. NOBODY ELSE IS. *TR
THE ENGINE LIGHT WOULD COME ON AND IMMEDIATELY THE STABILITY SYSTEM DISENGAGE LIGHT WOULD COME ON ALSO. THE VEHICLE WOULD GO DOWN TO APPROXIMATELY 1500 RPM AND DROP THE SPEED TO 50-55 MPH, ON THE FREEWAY. THE SPEED LIMIT IS 65 AND WE WERE IN THE MIDDLE LANE OF 3 LANES. IT HAS HAPPENED NUMEROUS TIMES NOW. I HAVE TAKEN THE VEHICLE TO A MECHANIC 3 TIMES. A DIAGNOSTIC TEST WAS RAN EACH TIME AND EVERY TIME THERE DIFFERENT CODES THAT POP UP, ONE DIFFERENT FROM THE PREVIOUS. *TR
THE SPEEDOMETER HAS GONE OUT. I HAVE READ MANY ENTRIES ON A WEBSITE THAT THIS WA S AN ONGOING PROBLEM WITH CHEVROLET TAHOES., AND THE PRICE TO GET IT FIXED RANGED FROM $400 TO $1000. THAT WAS A BIT TO EXPENSIVE. I THINK THERE NEEDS TO BE A RECALL . THIS CAR IS ONLY 3 YEARS OLD. THIS SHOULDN'T BE HAPPENING. *AK
TRAFFIC CITATION ISSUED TO MY HUSBAND WHILE DRIVING MY 2004 CHEVROLET SUBURBAN DUE TO FAULTY SPEEDOMETER ON 6/29/07.
THE SPEEDOMETER ON MY 2004 SUBURBAN FAILED.*AK
2004 CHEVY SUBURBAN SPEEDOMETER GOES CRAZY,SOMETIMES SET AT 120 MPH WHILE SETTING STILL. WHILE DRIVING I NEVER KNOW THE SPEED I'M GOING. ONE DAY MY WIFE WAS DRIVING THE SPEEDOMETER JUST KEPT CLIMBING TO 120 MPH , THAT IS WHEN IT STARTED. SOMETIMES THE SPEEDOMETER GOES DOWN TO 0 MPH THEN WHILE DRIVING SAY 30 MPH I GUESS IT MAY TAKE YOU TO 60 MPH, 80 MPH WHILE AT THE SAME RPM. NOTHING HAS BEEN DONE ,IT HAS 44000 MILES THEREFORE MY WARRANTY IS OUT I HAVE TO SEE IF THE EXT WARRANTY I GOT COVERS THIS, ALSO I HAVE BEEN CHECKING THE INTERNET IF ANYONE HAD SIMILAR PROBLEMS AND I HAVE FOUND NUMEROUS PEOPLE ON TOPIX.NET . THANK YOU FOR YOU'RE TIME. *NM
TACHOMETER/SPEEDOMETER FAILED ON 2004 CHEVORLET SUBURBAN. PROVIDED UNSAFE DRIVING CONDITIONS, ESPECIALLY DURING BAD WEATHER CONDITIONS WHERE VEHICLE SPEED WAS AT AN ALL TIME IMPORTANCE. SMALL CHILDREN IN THE VEHICLE CAUSED THE DRIVER TO BE MORE ANXIOUS AT THE WHEEL, NOT KNOWING EXACTLY HOW FAST THE VEHICLE WAS GOING ON THE HIGHWAY OR RESIDENTIAL STREET TRAFFIC.*AK
DT*: THE CONTACT STATED THE VEHICLE SPEEDOMETER DISPLAYED AN INCORRECT READING ON THE DASH PANEL GAUGE. THE INCORRECT DISPLAY WAS CONSTANT AND FAVORED NO PARTICULAR SPEED. HOWEVER THE MOST COMMON EVIDENCE OF THIS PROBLEM WAS WHILE DRIVING AT A LOW SPEED THE GAUGE DISPLAYED AN OUTRAGEOUSLY HIGH SPEED. THE DEALER AND MANUFACTURER HAVE BEEN CONTACTED. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026