Problems · by component
2000 Buick Century power train problems
47 owner complaints to NHTSA about the 2000 Buick Century cite power train, 23% of all 205 complaints for this model year.
Complaints
47
23% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the power train
Verbatim from NHTSA complaints, newest first
“DEFECTIVE ODOMETER READINGS, GEAR INDICATORS DISAPPEARED. THE ODOMETER READING DISAPPEARED, AND THE GEAR INDICATOR DISAPPEARED ON INSTRUMENT CLUSTER. I HAVE NO WAY TO READ MY ODOMETER, NOR DO I KNOW WHAT GEAR I AM IN, PRND21. NOW I CAN ACCIDENTLY BE IN REVERSE AND NOT EVEN KNOW IT. THIS IS AN EXTREMELY DANGEROUS SITUATION, AND THERE SHOULD BE A RECALL ON THIS. MECHANIC CHARGES $100.00 TO FIX, AND ALSO STATES THEY CAN INSERT ANY ODOMETER READING THAT I WOULD LIKE TO HAVE. THIS SHOULD BE ILLEGAL. I NO LONGER HAVE A VALID ODOMETER READING FOR MY YEARLY INSPECTIONS, OR IF I WERE TO SELL MY VEHICLE. I COULD DRIVE IN 1ST GEAR AND BURN UP MY TRANSMISSION AND SHUT DOWN IN THE MIDDLE OF THE INTERSTATE AND CAUSE A SERIOUS ACCIDENT OR BE RUN OVER FOR DEAD STOPPED ON ROADS. MY INSTRUMENT PANEL HAS NOT HAD AN ACCURATE FUEL GUAGE READING IN YEARS, IT COMES AND GOES. I HAVE BEEN ABLE TO FIGURE OUT GAS USAGE BY MILEAGE, NOW THAT IS NO LONGER POSSIBLE. I MUST FILL UP WEEKLY JUST SO I KNOW I WONT RUN OUT OF GAS. THE CAR ONLY HAS 55,000 ORIGINAL MILES ON IT. THIS IS JUST NOT RIGHT. I EXTREMELY UPSET ABOUT THIS AND DONT KNOW HOW TO GET IT FIXED PROPERLY AND COVERED FROM THE…”
“I HAVE A 2000 BUICK CENTURY LIMITED AND THE TRANSMISSION HARSH SHIFT 1234, WHEN HOT AND SOMETIMES COLD, I KNOW THAT IT NEEDS A NEW 1234 UP SHIFT SOLENOID AND TO BE INSPECTED FOR FAILED PARTS ETC, ALSO THE ODOMETER,FUEL GAUGE,AND WINDOW REGULATORS/MOTORS HAVE FAILED, THE ODOMETER IS OUT AND FUEL GAUGE FLOATS AND WINDOWS HAVE FAILED DUE TO BAD DESIGN OF MOTORS/REGULATORS AND MY AIRBAG LIGHT IS ON AND EACH 4T65- E TRANS AND MANY BUICK TRANS LIKE THE ONE ABOVE HAS HARSH SHIFT AND COULD CAUSE DAMAGE AND CAUSE TRANS TO FAIL. AND THE PROBLEMS ABOVE WILL BE FOUND IN MANY BUICK CENTURY AND GM SHOULD FIX THE ISSUES ABOVE FOR FREE IT IS A DANGER FOR THE TRANS TO FAIL AND ODOMETER/GEAR SHIFT SELECT TO FAIL BECAUSE MOST PEOPLE WILL NOT KNOW WHAT GEAR THEY ARE IN, AND THE TRANS COULD LOCK AND CAUSE A WRECK OR A HUGE INJURY OR WORST. AND THE TRANS 1234 UP SHIFT PRESSURE CONTROL SOLENOID NOT KEEPING THE RIGHT PRESSURE COULD DAMAGE THE TRANS, AND EVEN IF THE TRANS IS BOUGHT USED IT STILL HAS THIS PROBLEM AND IS THE SAME 4T65-E TRANS AND GM NEEDS TO FIX THIS FOR FREE THERE ARE MANY COMPLAINTS AND ISSUE WITH THE 2000 BUICK CENTURY,REGALS ETC WITH THIS TYPE OF TRANS. AND SHOULD BE…”
“TL* THE CONTACT OWNS A 2000 BUICK CENTURY. THE CONTACT STATED THAT WHEN THE ENGINE WOULD BECOME HOT, THE TRANSMISSION WOULD JUMP BETWEEN GEARS. THE FAILURE OCCURRED SPORADICALLY WHEN TRAVELING AT ANY SPEED OR WHEN IN ANY GEAR. THE CONTACT HAD TO SHUT OFF AND ALLOW THE ENGINE TO COOL OFF IN ORDER TO TEMPORARILY REMEDY THE FAILURE. THE VEHICLE WAS REPAIRED TWICE FOR THE SAME FAILURE. THE DEALER REPLACED THE SOLENOID PRESSURE VALVE TO CORRECT THE FAILURE. THE FAILURE MILEAGE WAS 80,000 AND THE CURRENT MILEAGE WAS 140,000. *TR”
“TL* THE CONTACT OWNS A 2000 BUICK CENTURY. THE CONTACT STATED THAT THE VEHICLE WOULD SHIFT HARD BETWEEN FIRST AND SECOND GEARS. THE CONTACT TURNED POWERED OFF AND RESTARTED THE VEHICLE IN ORDER TO RESOLVE THE PROBLEM MOMENTARILY. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC, WHO STATED THAT THE TRANSMISSION WAS DEFECTIVE. THE TRANSMISSION WAS REBUILT TO RESOLVE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE, BUT NO ASSISTANCE WAS PROVIDED. THE FAILURE AND CURRENT MILEAGE WAS 75,000. UPDATED 06/17/13 *BF”
“THE TRANSMISSION ON MY 2000 BUICK CENTURY HAS A HARD SHIFT CONDITION THAT WAS DIAGNOSED AT 2 DIFFERENT TRANSMISSION SHOPS AS A PRESSURE CONTROL SOLENOID FAILURE THAT IS VERY COMMON WITH THIS CAR. ONE OF THE SHOPS SAID THE PROBLEM WILL REOCCUR EVEN WITH REPLACEMENT OF THE PART UNLESS A SHIFT KIT IS INSTALLED.AFTER RESEARCHING THIS ISSUE ON LINE IT BECOMES APPARENT THAT THE SHOPS ARE CORRECT IN THEIR DIAGNOSIS. WHY HAS THIS ISSUE NOT BEEN A RECALL! *TR”
“VEHICLE EXHIBITED HARD TRANSMISSION SHIFTS AND JERKING WHILE SHIFTING IN TRAFFIC. VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND DIAGNOSED WITH CODE P1811, WHICH INDICATES HIGH TRANSMISSION FLUID PRESSURE AND SOLENOID PROBLEMS. *TR”
Showing 6 of 47 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.