Toyota Tacoma 2016–2019 — technical service bulletin
Bulletin 21TD03 - Dealer · NHTSA communication 10202457 · issued Sep 8, 2021
Technical service bulletin
communication type
Electrical System
component
2016–2019
model years
4
vehicle entries
Official summary
DD: Certain 2016-2019 Model Year Double Cab Tacoma Center High-Mounted Stop Lamp ? Water Leak 21TD03 has been updated with part number 00948-CHMHW-01, this part number has been created for CLAIM FILING PUPRPOSES ONLY. Part number 00948-CHMSL-HW should no longer be included when submitting claims.
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.