Built around the 2003 GS 300 exactly as Lexus released it, this service and repair manual is tied to the year, the 3.0L inline-six (2JZ-GE) and the trim sitting in your driveway, so the clearances and torque values you work to are the ones set for this car and not figures carried over from an adjacent model year.
Engines
- 3.0L l6 GAS Naturally Aspirated
Trims
- Base
Known issues on the 2003 GS 300. No recalls are on federal record for the 2003 GS 300. Owners have filed 17 complaints for the year, and Lexus has issued no technical service bulletins for it, which leaves those complaints as the only published record for this model year and little dealer guidance to fall back on. When an owner-reported fault does surface, the diagnostic and repair procedures behind the systems involved are here.
From a diagnostic check on the 2JZ-GE to a scheduled service on a Base car, it keeps you on the OEM procedure and the correct specification for your 2003 GS 300.
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any custome
Brake Pedal Force Gauge SST for Parking Brake Inspection.
Techstream ECU Flash Reprogramming Procedure.
Immobilizer and Smart Key Reset.
Immobilizer and Smart Key Reset
Immobilizer and Smart Key Reset
Auto matic Transmission Replacement kPrecautions
Showing the 8 most recent of 52 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 2003 LEXUS GS300. THE CONTACT STATED THAT HE DEPRESSED THE BRAKE PEDAL AND THE VEHICLE ACCELERATED, CAUSING HIM TO CRASH INTO ANOTHER VEHICLE. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION BUT THEY COULD NOT DIAGNOSE THE CAUSE OF THE FAILURE. THE CONTACT ALSO STATED THAT AS A MECHANIC TEST DROVE THE VEHICLE, THE ENGINE CAUGHT ON FIRE DUE TO A SHORT IN THE ELECTRICAL WIRES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILU
TL* THE CONTACT OWNS A 2003 LEXUS GS300. WHILE DRIVING HIS VEHICLE APPROXIMATELY 5 MPH INTO A PARKING SPACE WITH HIS FOOT ON THE BRAKE PEDAL IT SUDDENLY ACCELERATED, CRASHED INTO A PARKING SIGN AND A FIRE HYDRANT. THE VEHICLE CAME TO A STOP WHEN IT CRASHED INTO A TREE. HE SUSTAINED AN INJURY TO HIS RIGHT SHOULDER AND KNEE. THE BOYNTON BEACH SHERIFF REPORT 09802709 WAS FILED. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 28,000. THE CURRENT MILEAGE WAS 29,000. UPDATED 3/30/10 *CN UPD
car stalls when trying to accelerate like its going to turn off...The Wheel alighnment is not correct.Doors will not lock Bad lighting i cant see because front lights are doll
LETTER FROM SENATOR NELSON ON BEHALF OF CONSTITUENT RE 2003 GS300 LEXUS AIRBAG. *SMD THE CONSUMER WANTED TO KNOW IF THE AIR BAGS WERE SAFE. *JB
TL* THE CONTACT OWNS A 2003 LEXUS GS300. WHILE THE HOOD WAS OPEN, IT SUDDENLY FELL DOWN ON ITS OWN. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE FAILURE MILEAGE WAS 80,000.
ACCELERATION PEDAL PROBLEM. CAR FAILS TO RESPOND TO ACCELERATION PEDAL SOMETIMES WHILE IN MOTION. CAR CAN STOP MOVING IN TRAFFIC OR DURING TURNS (ESPECIALLY LEFT TURNS). THIS IS VERY DANGEROUS AND LIFE THREATENING. ALTHOUGH PEDAL SENSOR WAS CHANGED GIVEN THE ERROR CODE, THE CAR STILL SHOW THE SAME ISSUE. LEXUS MUST TAKE RESPONSIBILITY FOR DANGEROUS DESIGN AS IT LACKS A FAIL SAFE MECHANISM TO THEIR DRIVE BY WIRE. FAILURE IN ACCELERATION IS AS DANGEROUS AS FAILURE IN BRAKING.
WHEN THE CONSUMER ATTEMPTED TO ACCELERATED, THE VEHICLE WOULD HESITATE. PLEASE PROVIDE ADDITIONAL DETAILS. *JB
PASSENGER SIDE BACK TIRE BLEW UP ON PA81 AT SPEED OF 60 MPH.*AK
WHILE DRIVING 65 MPH, THE REAR PASSENGER SIDE TIRE BLEW OUT. NO IMPACT REPORTED. *AK THE TIRE BLEWOUT ON THE HIGHWAY. *TC *JB
WHILE DRIVING 45MPH CAR CUT OFF, CAUSING LOSS OF POWER STEERING.*AK
I OWN A 2003 LEXUS GS AND ALL FOUR RIMS ARE CHROME AND HAVE BECOME A SAFETY HAZARD ACCORDING TO WHERE WE HAVE OUR SERVICE. I OWN ANOTHER LEXUS AUTO AND MY RIMS ARE IN GOOD SHAPE . I HAVE NEVER EXPERIENCE RIMS CHROME PLATE PEALING CAUSING NEWER TIRES TO LOSE AIR BEFORE. I WAS INTERESTED TO FIND OUT IF ANY OTHER OWNERS HAVE OR ARE EXPERIENCING THE SAME PROBLEM WITH THIS MODELS RIMS. THANKS *TR
TL* THE CONTACT OWNS A 2003 LEXUS GS300. WHEN THE VEHICLE WAS STARTED, THE ENGINE MADE AN UNUSUAL REVVING NOISE. IN ADDITION, THREE UNKNOWN WARNING INDICATORS ILLUMINATED AND DID NOT TURN OFF. ALSO, WHEN APPLYING PRESSURE TO THE BRAKE PEDAL, THE PEDAL STIFFENED, WHICH MADE IT DIFFICULT TO MAKE A COMPLETE STOP. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 214,000.
DOOR LOCK ACTUATOR FAILURE MAKING THE DOOR NOT LOCK AND/OR NOT OPEN. *TR
DOT PJ8N GRAND SPIRIT TOURING HR 225X55X16 TIRES [4] FAILED ON THE INSIDE WALL TWO INCHES FROM THE RIM. LUCKY TO BE ALIVE. PROBLEM FROM INJECTION MOLDING OF TIRE AT FACTORY. HAVE PICTURES TO SHOW IF NEEDED. NO RECALL YET! TWO THOUSAND MILES ON TIRES. BRAND NEW CONDITION. INSIDE WALLS CRUMBLED, AND LOST AIR PRESSER. NO WARRANTY IMPLIED. HAD TO BUY 4 NEW TIRES. VERY UPSET! *TR
UNEXPECTED ACCELERATION. ON SEVERAL OCCASIONS, PRIMARILY WHILE STOPPED AT A TRAFFIC SIGNAL, MY VEHICLE WOULD LUNGE FORWARD. I TOOK IT TO THE DEALER AND WAS TOLD THEY HAD NO RECORD OF A PROBLEM OF THIS NATURE FOR THIS VEHICLE. THEY COULD NOT FIND ANYTHING WRONG. I SAW A ARTICLE ON THE INTERNET THAT THE NHTSA WAS INVESTIGATING SIMILAR PROBLEMS WITH OTHER TOYOTA PRODUCTS. *AK
Showing the 15 most serious of 17 complaints filed with NHTSA.
