2005 Lexus IS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
12 owner complaints analyzed
0 distinct recall campaigns
47,000 mi median reported failure mileage
Scope: 2005 model year. Data snapshot: . 7 complaints include usable failure mileage.
Most common problems
Structure is the most frequently named component, appearing in 5 of 12 complaints (41.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 3 | 25.0% |
| Transmission and shifting | 1 | 8.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Structure | 5 |
| Engine And Engine Cooling | 1 |
| Power Train:Automatic Transmission | 1 |
| Power Train:Clutch Assembly | 1 |
| Service Brakes | 1 |
| Service Brakes, Hydraulic | 1 |
| Suspension | 1 |
| Vehicle Speed Control | 1 |
Structure: 5; Engine And Engine Cooling: 1; Power Train:Automatic Transmission: 1; Power Train:Clutch Assembly: 1; Service Brakes: 1; Service Brakes, Hydraulic: 1; Suspension: 1; Vehicle Speed Control: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 0 |
Under 25,000: 3; 25,000 to 49,999: 1; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 2; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (3). 5 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2005 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2014 | 4 |
| 2015 | 1 |
| 2021 | 1 |
2005: 2; 2007: 1; 2008: 1; 2011: 1; 2012: 1; 2014: 4; 2015: 1; 2021: 1
Pattern summary
Structure leads the component reports. Braking behavior appears in 3 complaint narratives. Transmission and shifting appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10113709 · 2005-03-07 (March 7, 2005)
LEXUS IS300 2005 BRAKE MALFUNCTION. *BF WHEN THE CONSUME ATTEMPTED TO APPLY THE BRAKES, THE VEHICLE WOULD NOT STOP, WHICH RESULTED IN THE CONSUMER HITTING A PARKED VEHICLE. THE CONSUMER BELIEVED THE BRAKE BOOSTER FAILED. *JB
Owner-reported narrative. Look up ODI 10113709 at NHTSA ↗
Owner report 10453704 · 2012-04-01 (April 1, 2012)
COASTING INTO A PARKING SPOT , MY FOOT NOT ON THE GAS , THE CAR TOOK OFF. I HAD TO SLAM MY FOOT ON THE BRAKE AND WITH THE HELP OF THE PARKING SPOT STOPPER THE CAR STOPPED. THE CAR FELT LIKE IT WAS GOING TO GO OVER THE STOPPER. *TR
Owner-reported narrative. 47,000 miles reported. Look up ODI 10453704 at NHTSA ↗
Owner report 11438814 · 2021-10-31 (October 31, 2021)
As I prepared to make a right turn onto a busy street, I suddenly could not brake normally. Instead, I was unable to press the brake down as a balloon like feeling pushed it back up, but it also did not return all the way up to its normal position. The result was I was moving with no way to slow down the car. Fortunately, I was not moving at a high speed and immediately shifted into park. I was fortunate this did not occur while I was at full speed. The brake lights did turn on at the time of the issue. An independent mechanic suspects a brak…
Owner-reported narrative. Look up ODI 11438814 at NHTSA ↗