Problems · by component
1999 Chrysler LHS vehicle speed control problems
25 owner complaints to NHTSA about the 1999 Chrysler LHS cite vehicle speed control, 15% of all 164 complaints for this model year.
Complaints
25
15% of all complaints
Crashes
13
Reported by owners
Fires
0
Reported by owners
Injuries
14
Reported by owners
What owners say about the vehicle speed control
Verbatim from NHTSA complaints, newest first
“DT*: THE CONTACT STATED WHILE SHIFTING INTO REVERSE THE VEHICLE SUDDENLY ACCELERATED WITHOUT WARNING. THE SUDDEN ACCELERATION OCCURRED ON THREE OCCASIONS. DURING THE FIRST OCCURRENCES THE VEHICLE STOPPED WHEN THE BRAKES WERE APPLIED. THE THIRD TIME THE VEHICLE BUMPED INTO A TELEPHONE POLE BEFORE STOPPING. UPON INSPECTION THE INDEPENDENT REPAIR SHOP FOUND THE PIN IN THE THROTTLE BODY CAME OUT. THE PIN WAS REINSTALLED BY THE INDEPENDENT REPAIR SHOP. THE CONSUMER PAID FOR THE REPAIRS. UPDATED 03/20/06. *JB”
“WHILE DRIVING AT 70 PMPH VEHICLE'S SPEED SUDDENLY DROPPED TO 35 MPH, AND THAT WAS AS FAST AS THE VEHICLE WOULD GO. THE SPEED SENSOR HAD TO BE REPLACED AT CONSUMER'S EXPENSE. *AK *TC”
“THE THROTTLE BODY OF MY CAR IS DEFECTIVE AND CHRYSLER KNOWS ABOUT THIS DEFECT. THEY HAVE SENT SERVICE BULLETINS OUT TO DEALERSHIPS, BUT HAVE FAILED TO NOTIFY CAR OWNERS. IN THE EARLY STAGES THE CAR RUNS VERY POORLY, AS THE THE THROTTLE BODY BEGINS TO DETERIORATE MORE RAPIDLY, IT CHANGES THE SPEED OF THE CAR WITH NO NOTICE AND WITHOUT ANY EFFORT FROM THE DRIVER. THE CAR CAN ACTUALLY LUNGE FORWARD AT A COMPLETE STOP BECAUSE OF THIS DEFECTIVE PART. I WAITED SEVERAL WEEKS BEFORE I WAS ABLE TO OBTAIN A THROTTLE BODY ON MY OWN. THE SERVICE DEPT. OF THE LOCAL DEALERSHIP WAS USELESS IN THIS EFFORT. I BELIEVE THAT THIS SECOND THROTTLE BODY IS NO BETTER THAN THE FIRST ONE. THE CAR IS BEGINNING TO ACT THE SAME WAY. CHRYSLER KNOWS THEY HAVE A PROBLEM, THEY'VE SENT SERVICE BULLETINS TO THE DEALERSHIPS ABOUT IT. THIS VERY CLEARLY IS A SAFETY ISSUE, BUT TO DATE I HAVE RECEIVED NOTHING IN THE WAY OF NOTICE FROM THEM. WHEN I CALLED THE CHRYSLER HEADQUARTERS CONSUMER DIVISION, MY CONCERNS AND COMPLAINT WERE ESSENTIALLY DISMISSED BY THEM. *LA”
“SPEED CONTROL/TRANSAXLE. 2ND OCCURRENCE. 1ST WITH 98 CHRYLSER CONCORDE. 2ND WITH THIS PAST SATURDAY, 3-22-03. WHEN THE SPEED CONTROL MODULE GOES OUT, YOU ARE LEFT WITH ONLY 1ST AND REVERSE. ACCORDING TO THE SERVICE TECH AT HEMET CHRYSLER, IT HAPPENS MORE THAN IT SHOULD. IF IT GOES OUT WHILE AT HIGHWAY SPEEDS, IT IMMEDIATELY SHIFTS THE CAR INTO 1ST AND YOU ALMOST COME TO AN ABRUPT HALT. NO ACCIDENT, BUT IT COULD RESULT IN ONE IN HEAVY TRAFFIC AND WOULD PROBABLY HIT IN THE REAR WITH THE SUDDEN DECELERATION IN SPEED. *JB”
“THE CONSUMER SHIFTED FROM PARK INTO DRIVE WITH BRAKE DEPRESSED AND THE VEHICLE ACCELERATED FORWARD WITH A ROARING NOISE COLLIDING WITH A LIGHT POLE. THE BRAKES FAILED TO STOP THE VEHICLE AND THE VEHICLE WAS TOTALED. *YH”
“WHEN APPLYING BRAKES TO SHIFT INTO REVERSE OR DRIVE VEHICLE SUDDENLY ACCELERATES, BRAKES WOULD NOT HOLD, DEALER CONTACTED. *AK CONSUMER STATES WHEN SHIFTED FROM PARK TO DRIVE WITH FOOT ON THE BRAKE THE VEHICLE SHOT FORWARD WITH A ROAR AT 30-40 MPH, FOOT WAS STILL ON THE BRAKE BUT VEHICLE CONTINUED TO ACCELERATE AT HIGH SPEED AND CRASHED.*YD”
Showing 6 of 25 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.