2018–2021 Toyota Tundra Electrical System Recall 21V688000 (Toyota 21TB06)

NHTSA recall 21V688000 (Toyota recall 21TB06 / 21TA06) covers about 158,489 2018–2021 Toyota Tundra vehicles (electrical system), filed with NHTSA Sep 2, 2021. There is no do-not-drive or park-outside advisory.

Source: NHTSA campaign 21V688000 · Data as of Nov 6, 2026 · By CarWhere Research

158,489
vehicles affected (potential)
2018–2021
model years
Sep 2, 2021
filed with NHTSA
None
NHTSA advisory

What's recalled

Component: Electrical system (wiring)

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2021 Tundra vehicles. The headlight electrical circuits may power the high and low beams simultaneously, which could overheat the electrical connector.

The risk

An overheated electrical connector can increase the risk of a fire.

The remedy and its status

Dealers will modify the engine wire harness assembly and replace any damaged bulb, bulb connector, and/or headlight assembly as necessary, free of charge. Owner notification letters were mailed April 25, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's numbers for this recall are 21TB06 and 21TA06.

Status: NHTSA lists Apr 25, 2022 as the owner-notification date for this campaign.

Toyota recall number 21TB06 / 21TA06

NHTSA lists the manufacturer's own recall number for 21V688000 as 21TB06, 21TA06. Owner letters and dealer service departments often use this code, so a search for "21TB06 recall" refers to the same campaign.

Affected models and years

Models and model years NHTSA lists for this campaign. Not every vehicle of a listed model and year is included; check by VIN.

VehicleModel yearsMore
Toyota Tundra2018–2021All Tundra recallsYears to avoid

Key dates

Report filed with NHTSA
Sep 2, 2021
Owner notification
Apr 25, 2022
Recall initiated by
the manufacturer
Filed by
Toyota Motor Engineering & Manufacturing

Check your VIN for 21V688000

  1. Find the 17-character VIN on the driver-side dashboard (visible through the windshield), the door-jamb sticker, or your registration.
  2. Enter it in NHTSA's free VIN recall lookup. It shows every open recall on that exact vehicle, including this one if it applies and hasn't been repaired.
  3. If 21V688000 is open, call any Toyota dealer's service department and give them the recall number (21V688000 or 21TB06). The repair is free.

Not sure of the exact model or year? Decode it first with the free VIN decoder.

Frequently asked questions

What is recall 21V688000?

NHTSA recall 21V688000 (Toyota recall 21TB06 / 21TA06) covers about 158,489 2018–2021 Toyota Tundra vehicles (electrical system), filed with NHTSA Sep 2, 2021. There is no do-not-drive or park-outside advisory. It covers certain 2018-2021 Tundra vehicles.

Is it safe to drive a vehicle with recall 21V688000?

NHTSA's record for 21V688000 carries no do-not-drive or park-outside advisory. The risk NHTSA lists is: "An overheated electrical connector can increase the risk of a fire." Get the free repair as soon as it is available for your vehicle.

How do I know if my vehicle is affected by 21V688000?

Only a VIN lookup can tell you. Not every vehicle of the listed models and years is included, and repaired vehicles drop off. Enter your 17-character VIN in NHTSA's free recall lookup at nhtsa.gov/recalls, or ask any Toyota dealer to check it.

What is the fix for recall 21V688000, and is it free?

NHTSA's record says: "Dealers will modify the engine wire harness assembly and replace any damaged bulb, bulb connector, and/or headlight assembly as necessary, free of charge." NHTSA lists Apr 25, 2022 as the owner-notification date for this campaign. Safety-recall repairs are done free of charge at authorized dealers.

What is the Toyota recall number for 21V688000?

NHTSA lists the manufacturer's own recall number as 21TB06, 21TA06. Dealers and owner letters often use that code (21TB06, 21TA06) instead of the NHTSA campaign number 21V688000.

Sources and method

  • NHTSA recall record for 21V688000, from NHTSA's public recall campaign database. Problem, risk and remedy text is NHTSA's own wording.
  • "Vehicles affected" is NHTSA's potential-units-affected count for the whole campaign.
  • Data as of Nov 6, 2026. NHTSA updates campaigns as manufacturers file amendments, so check the official record for the latest.

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