P1440 on Toyota

On Honda and Acura hybrids, motor power inverter module output circuit malfunction; on Toyota, secondary air injection control valve circuit, bank 1

This page covers only what differs on Toyota. For what P1440 means, the ranked causes and the test order, see the P1440 guide.

What's different on Toyota

Toyota

  • T-SB-0230-12 RevStatus unverified

    Secondary air injection codes on 4.7 L engines

    2005–20094runner, land-cruiser, sequoia, tundra · 2UZ-FE · NHTSA 10132097

    Debris passing through the air injection pump can contaminate the system and set secondary air codes including P1440 and P1443; the bulletin gives a repair procedure.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Sources and review

  1. Toyota bulletin T-SB-0230-12 (Rev): secondary air injection codes on 2UZ-FE 4.7 L engines — Toyota Motor Sales via NHTSA
  2. Honda bulletin A20-030: motor power inverter warranty extension, Civic Hybrid — American Honda Motor Co. via NHTSA ,
  3. NHTSA complaint ODI 11485532 (2013 Acura ILX, P1440) — NHTSA Office of Defects Investigation (consumer complaint)
  4. NHTSA complaint ODI 11534323 (2013 Acura ILX) — NHTSA Office of Defects Investigation (consumer complaint)
Last reviewed
Written by
Saurabh K.
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