2003 Lexus LS430 problems & reliability
23 owner complaints filed with NHTSA for the 2003 Lexus LS430. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
7 complaints report injuries (9 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Structure | 8 | 35% |
| Air Bags | 3 | 13% |
| Vehicle Speed Control | 3 | 13% |
| Tires | 2 | 9% |
| Engine and Engine Cooling | 1 | 4% |
| Equipment | 1 | 4% |
| Fuel System, Gasoline | 1 | 4% |
| Latches/locks/linkages | 1 | 4% |
| Power Train | 1 | 4% |
| Seat Belts | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 13 reported components →Complaints by incident year
What owners report
“I was involved in a collision. The front of my car my made full contact with the rear of the car in front of me. I was traveling at least 25 mph if not more before impact. The impact resulted in $10,000 in damage to the front of the lexus and it was declared a total loss. The lexus was damaged from headlight to…”
Air Bags · filed Sep 1, 2015
“To whom it may concern: I am in receipt of a recall notice from lexus division toyota motor company in which there were numerous large block red lettered warnings informing me of this danger and the urgency of my response. However, when I called the dealer to schedule the repair, I was informed that the dealer was…”
Air Bags · filed Aug 18, 2014
“Trunk struts failed to hold the trunk in an open position, causing the trunk to fall and injure a person. Multiple times. Trunk was properly opened and raised to a full open position. *tr”
Structure · filed Oct 2, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
64 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2003 Lexus LS430. The 10 most recent:
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
Safety Recall 22 · Service Bulletin/Repair Instructions · issued Apr 13, 2022
TSB: This Service Bulletin includes procedures to replace damaged or loose front carpet floor retainer(s) without replacing the carpet assembly. Follow the Repair Procedure in this bulletin to replace the loose or…
L-SB-0006-22 · Service Bulletin/Repair Instructions · issued Mar 9, 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…
Lexus PRO19-02 - · Service Bulletin/Repair Instructions · issued Jan 12, 2022
TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to…
L-SB-0002-20 Rev · Service Bulletin/Repair Instructions · issued Aug 5, 2020
TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to…
L-SB-0002-20 Rev · Service Bulletin/Repair Instructions · issued Aug 5, 2020
TSB: OBSOLETE NOTICE June 23, 2020: This bulletin is now obsolete. Please see L-SB-0023-20.
L-SB-0174-08 Obs · Service Bulletin/Repair Instructions · issued Jun 23, 2020
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. ST004-01, SU001-08, and L-SB-0174-08. The aforementioned bulletins are obsolete, and any printed versions should be…
L-SB-0023-20 · Service Bulletin/Repair Instructions · issued Jun 23, 2020
Safety Recall and Service Campaign - Technician Certification Requirements
Lexus Safety Re · Service Bulletin/Repair Instructions · issued May 1, 2020
TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates
L-SB-0179-17 Obs · Service Bulletin/Repair Instructions · issued Apr 6, 2020
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, PG002-90, L-SB-0048-08, PG007-07, PG016-01…
L-SB-0008-20 · Service Bulletin/Repair Instructions · issued Apr 6, 2020
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2003 Lexus LS430 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2003 Lexus LS430?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.