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Service bulletin ZHA_Dealer Daily

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10131708
Published by NHTSA2018-04-02
Manufacturer's numberZHA_Dealer Daily
Manufacturer's date2018-01-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Dealer Daily Message: Customer Support Program ZHA Certain 2012 Model Year Tacoma Coverage for Air Injection Pumps and/or Air Switching Valves ? Customer Support Program ZHA Dealer Letter is now available on TIS.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
TOYOTA TACOMA2012

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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20TC01 renotific2022-01-18. Service bulletin. Renotification Postcard: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light (Malfunction Indicator Light).
T-TT-0628-202020-11-30. Service bulletin. TT: HVAC drain tube is found to be blocked/clogged.
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Special Service2020-06-22. Service bulletin. DL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light (Malfunction Indicator Light).
20TC01 - Region2020-06-22. Service bulletin. RL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light (Malfunction Indicator Light).
20TC01 - Dealer2020-06-22. Service bulletin. DL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light (Malfunction Indicator Light).
Special Service2020-06-22. Service bulletin. RL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light (Malfunction Indicator Light).