Lexus Fault Codes
Lexus vehicles share many generic OBD-II codes plus manufacturer-specific definitions. Use the list below to look up codes that appear on Lexus models.
Common Lexus Issues
Always start with oil condition, vacuum leaks, and basic maintenance items before replacing expensive parts.
2 Lexus-related fault code(s) in our database
| Code | Description | System | Severity |
|---|---|---|---|
| P1135 | Air Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) | Fuel & Air Metering | Med |
| P1349 | VVT System Malfunction (Bank 1) | Ignition System | High |
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