Toyota Tundra 2014 — technical service bulletin
Bulletin T-SB-0137-14 · NHTSA communication 10109400 · issued Oct 3, 2014
Technical service bulletin
communication type
Seats
component
2014
model years
1
vehicle entries
Official summary
TSB: Some 2014 model year Tundra vehicles may exhibit a condition where the seat heaters are inoperative in extreme cold temperatures (-4°F [-20°C] or lower). An updated A/C Amplifier is available to address this condition.
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.