errhive/carsFind a code

MANUFACTURER DOCUMENTATION

Lexus RX450h

Conditional bank2 oxygen-sensor diagnostic evidence.

Documented years: 2010

Match the document’s model, years, engine, market and other conditions. This page does not establish every code the vehicle can display.

Diagnostic guides

2010 Lexus RX450h P0430: the B2S2 result that changes the repair

The RX450h bulletin selects a bank-2 downstream oxygen-sensor repair only after a specific warm-engine scan result.

Manufacturer bulletins

P0430 with a qualified sensor-test result

Qualified B2S2 test case.

Scope: 2010 · 2GR-FXE

Displays in the document: P0430

Read the linked diagnostic guide.

2010 only; the source's test conditions must match.

Read the diagnostic case guide

Sources and scope

  1. L-SB-0005-15

    Lexus / Toyota Motor Sales, USA · Checked 2026-10-30

  2. L-SB-0127-11 Rev2 — Superseded application (2014-04-07)

    Lexus / Toyota Motor Sales, USA · Checked 2026-10-30

Search a scanner code · Return to Lexus