Headlight circuit and dim turn signals — recalls 21V-688 and 20V-410moderate
Two lighting recalls carry through to 2019. Recall 21V-688 (Toyota 21TB06/21TA06) covers a headlight circuit that can power the high and low beams simultaneously and overheat the connector — a fire risk; dealers modify the harness free. Recall 20V-410 (20TB12/20TA12) fixes front turn signals that flash too dimly on LED-headlight trucks (FMVSS 108). Both free; verify by VIN.
Sources: NHTSA complaint + recall database, 2019 Tundra · NHTSA recalls and manufacturer communications (recall documents, fuel-pump settlement CSP, SSC K0B, Toyota internal codes)
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Recall lighting remedies