The contact owns a 2018 Toyota Tundra. The contact stated that while driving at various speeds, both front headlights would intermittently go dim without warning. The contact then received a recall notice for NHTSA Campaign Number: 21V688000 (Exterior Lighting, Electrical System) however, the part to do the recall repair was not available. Neither the dealer nor the manufacturer was notified of…
2018 Toyota Tundra electrical problems
severe 26 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
26
Recalls
0
Avg fix
$850
1crash
2fires
When does it fail?
Of the 26 electrical complaints filed for the 2018 Toyota Tundra, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Owners have filed 26 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Electrical accounts for 26% of all owner complaints filed against this vehicle, across 7 categories tracked.
What owners are reporting 3 most recent
Car purchased 10/09/2018 pre-collision malfunction and trailer brake error 11/04/2018, 11/16/2018, 12/5/2018 light comes and goes intermittently. Especially during rainy and windy weather dropped off at Toyota dealership Toyota of selma in selma ca. Diagnosis as DTC c1435 detected. Please see attached photos dealer has not remedied problem.
Vehicle was diagnosed with having a left rear speed sensor and speed sensor wire was broken due to a piece of plastic part came separated from the wheel. Have all kinds of lights come on dashboard and flash on and off, until sensor is replaced with new at an astronomical rate, which cannot be replaced at this time. Feel that the vehicle should be considered recalled for this issue, as the wire is…
Had electrical trouble with your 2018 Toyota Tundra?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2018 Toyota Tundra?
It's a meaningful issue. 26 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Across the 13 complaints that reported odometer mileage, most electrical failures cluster between 7,000 and 27,000 miles, with the median around 19,181. A quarter of owners report trouble before 7,000; a quarter make it past 27,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2018/Toyota/Tundra.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.