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Lexus · Known Issues

2004 Lexus LS Problems: 1 Known Issue

2004 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2004 Lexus LS has 1 documented issue, with 1 rated critical. The most serious is Side/Curtain/Knee Airbag Inflator Defect. DIY maintenance guides at au7o.io.

In This Article

  • LS Safety/Recalls1
  • Recalls2
  • FAQ
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In This Article

  • Safety/Recalls1
  • Recalls2
  • FAQ

All 1 Known Issue

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On the 2004 Lexus LS, a documented safety issue exists on some 2004 Lexus LS vehicles involving improperly assembled air bag inflators used in the side air bag, curtain shield air bag, and knee air bag assemblies. The recall indicates inflators may have been produced with an assembly defect that could affect proper deployment performance in a crash.

This issue also affects: Lexus LX

Common Symptoms

  • Air bag warning light illuminated
  • Concern about side or curtain air bag deployment
  • Potential improper air bag inflator assembly
  • SRS fault indication

How to Fix

Verify recall completion for campaign 06V096000 through Lexus or NHTSA using the VIN. If incomplete, the remedy is replacement of the affected air bag inflator/module assemblies by a dealer at no charge; out-of-pocket repair outside recall can be expensive because it may involve side, curtain, or knee airbag modules and related trim removal. If the airbag warning light is on, scan the SRS system before replacing parts to confirm whether the recalled inflator or another component is at fault.

Owner tips & cautions

  • TipCheck VIN recall status before diagnosing an SRS warning light, since recall completion may resolve the issue at no cost.
  • TipDo not ignore an airbag light; the system can disable affected restraints until the fault is repaired.

Research This Issue

GoogleRedditYouTubeNHTSA
NHTSA Verified
Medium Confidence
NHTSA Recalls2 recalls

EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

Campaign #09E01200007/04/2009

AIR BAGS

ON CERTAIN VEHICLES, DUE TO IMPROPER ASSEMBLY OF THE AIR BAG INFLATOR, WHICH IS USED IN THE SIDE AIR BAG, THE CURTAIN SHIELD AIR BAG, AND THE KNEE AIR BAG ASSEMBLY, SOME INFLATORS WERE PRODUCED WITH AN INSUFFICIENT AMOUNT OF THE HEATING AGENTS NECESSARY FOR PROPER AIR BAG DEPLOYMENT. IN THIS CONDITION, THE EXPANSION FORCE OF THE GAS MAY BE INSUFFICIENT TO PROPERLY INFLATE THE AIR BAG WHEN THE SRS SYSTEM IS ACTIVATED DURING A CRASH.

Campaign #06V09600003/04/2006

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Other Lexus Models

Lexus NX18Lexus ES16Lexus GS15Lexus RX14Lexus UX13Lexus IS12

Frequently Asked Questions

What are the most common Lexus LS problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2004 Lexus LS has 1 documented issue. The documented issue is: Side/Curtain/Knee Airbag Inflator Defect. Of these, 1 is rated critical and should be addressed promptly.

Is the Lexus LS reliable?

The 2004 Lexus LS has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Side/Curtain/Knee Airbag Inflator Defect. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

What is the 2004 Lexus LS Side/Curtain/Knee Airbag Inflator Defect?

A documented safety issue exists on some 2004 Lexus LS vehicles involving improperly assembled air bag inflators used in the side air bag, curtain shield air bag, and knee air bag assemblies. The recall indicates inflators may have been produced with an assembly defect that could… Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.