Toyota Tundra 2003 — technical service bulletin
Bulletin 4573 · NHTSA communication 10015554 · issued Feb 28, 2005
Technical service bulletin
communication type
Power Train
component
2003
model years
1
vehicle entries
Official summary
2003 tundra repair manual correction for the torque converter clutch and drive plate (automatic transmission). 00400-rm956-u1. *tt
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.