Toyota Tundra 2003 — technical service bulletin
Bulletin 4422 · NHTSA communication 10016052 · issued Nov 23, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
Diagnostics - engine (2uz-fe) repair manual correction on 2003 toyota tundra. 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.