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Service bulletins for the 2012 Toyota Tacoma

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.

464 on file from NHTSA, as of 2026-10-19.

About P2440 on the 2012 Toyota Tacoma: 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

Bulletins, newest first
T-SB-0333-172018-11-05. Service bulletin. ENGINE. TSB: Some 2012 model year Tacoma vehicles equipped with the 1GR-FE engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Codes (DTCs) P2440/P2442 (Secondary Air Injection System Switching Valve Stuck Open Bank 1/Bank 2). This condition may be caused by moisture intrusion into the air injection pump. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0033-17_Rev2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. TSB: REVISION NOTICE May 11, 2018 Rev1: * The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. Some 2012 model year Tacoma vehicles equipped with the 1GR-FE engine 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) * P2445 (Secondary Air Injection System Pump Stuck Off). This condition may be caused by air injection pump filter damage. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0333-172018-06-11. Service bulletin. EQUIPMENT; ENGINE. TSB: Some 2012 model year Tacoma vehicles equipped with the 1GR-FE engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Codes (DTCs) P2440/P2442 (Secondary Air Injection System Switching Valve Stuck Open Bank 1/Bank 2). This condition may be caused by moisture intrusion into the air injection pump. Follow the Repair Procedure in this bulletin to address this condition.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.