Service bulletins for the 2013 Toyota Sequoia
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
363 on file from NHTSA, as of 2026-10-19.
About P2440 on the 2013 Toyota Sequoia: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P2440 are shown. Show all
| T-SB-0033-12 Rev | 2018-04-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2012 ? 2013 model year Sequoia and Tundra vehicles with the 3UR-FE/FBE (5.7 L) engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2440/P2442 (Secondary Air Injection System Switching Valve Stuck Open Bank 1/Bank 2) under freezing ambient conditions. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been revised to address this condition. Use the following repair procedure to reprogram the ECM (PCM). |
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| T-SB-0143-14 | 2017-08-01. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). TSB: Some 2012 - 2013 model year Sequoia and Tundra vehicles equipped with 3UR engines may exhibit a MIL "ON" condition with the following Diagnostic Trouble Codes (DTCs): ? P2440: Secondary Air Injection System Switching Valve Stuck Open Bank 1 ? P2442: Secondary Air Injection System Switching Valve Stuck Open Bank 2 This condition may be caused by debris/ice in the air switching valve assembly. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been changed to reduce the possibility of this condition occurring. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.