Toyota Tacoma 2012 — technical service bulletin
Bulletin ZHA_Toyota POL18 · NHTSA communication 10143951 · issued Jul 26, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012
model years
1
vehicle entries
Official summary
Warranty Bulletin: Toyota has received reports in which customers have indicated that there is an illumination of the check engine light (Malfunction Indicator Light). This condition can be due to moisture/water in the Air Injection Pumps and/or Air Switching Valves.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.