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2012 Toyota Tundra electrical problems

19 complaints (12% of all complaints for this car). Typical mileage when it fails: 90,000.

owner complaints
19
of this car's complaints
12%
typical mileage
90,000
crashes
0
recalls
0

Which part fails

  • Instrument panel: speedometer/odometer
    5
  • Horn
    1

At what mileage

Complaints by mileage at the time of the problem.

0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+

Toyota Tundra electrical problems in other years

200020052010201520202026

Related recalls

No recalls on record for this model year.

What 2012 Toyota Tundra owners say

Most recent owner complaints, unedited.

Filed Sep 30, 2026 · Electrical · 381,746 miles · TX

Odometer Fraud. The contact purchased a 2012 Toyota Tundra. It was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the mileage was 128,907. The contact discovered after the dealer provided a Carfax report that the mileage was 381,746. The contact reported the odometer fraud to the Benbrook Police Department.

Filed Aug 19, 2026 · Electrical · 378,000 miles · WI

Odometer Fraud. The contact purchased a 2012 Toyota Tundra. The contact discovered that there was a mileage discrepancy after the purchase. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 149,000. It was later discovered upon checking the vehicle history that the mileage was 378,000.

Filed Jul 2, 2026 · Electrical · 395,000 miles · WI

Odometer Fraud. The contact purchased a 2012 Toyota Tundra. At the time of the purchase, the mileage was 149,000. The vehicle was a dealer sale. An independent mechanic checked the vehicle history report and discovered a mileage discrepancy. The Carfax report indicated that the mileage was 379,000 in May 2025. The contact reported the odometer fraud to Wisconsin's Department of Transportation - Field Investigation Unit, which informed him that the odometer fraud was outside of their jurisdiction because the vehicle was purchased in Kentucky. The contact stated that the current approximate mileage was 395,000.

Filed Jan 12, 2026 · Electrical · 252,307 miles · WA

Odometer Fraud. The contact purchased a 2012 Toyota Tundra. The contact discovered a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the mileage was 137,355. The contact stated that while inspecting the glove box, the contact found three receipts that showed three different odometer readings. The contact then ordered a Carfax report and discovered that the mileage on the Title on October 4, 2025, was 252,307.

Filed Apr 28, 2025 · Electrical · 260,000 miles · TX

Odometer Fraud. The contact purchased a 2012 Toyota Tundra. The contact stated while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a private dealer sale. At the time of purchase, the vehicle mileage was 161,000 and at the time of registration, it was discovered that the mileage was 260,000.

Filed Oct 24, 2024 · Electrical, Seats · MN

Temperature Seat switches are not working, fire hazard does to malfunctioning.

Filed Dec 3, 2022 · Electrical, Engine · IL

Computer software issues. Flex full engine.

Filed Sep 29, 2022 · Acceleration, Electrical · PA

Secondary air injection pump has high rate of failure, recalls in older models. Has caused truck to go into limp mode. Could cause serious accident/fatality if vehicle suddenly goes into limp mode on highway. This has happened on multiple occasions in forums I’ve read. Known problem by Toyota that isn’t being addressed.

Filed May 3, 2022 · Airbags, Electrical · CA

My horn stopped working. I have two new drivers and this is a huge safety concern of mine. The dealer is telling me that this is a $800 job. Online I'm finding that this is a very common issue that is occurring ... effecting the safety or our vehicle.

Filed Oct 24, 2021 · Electrical · TX

Started my truck and the 4lo, check engine and trac off lights came on. The 4lo was blinking.

Questions about the 2012 Toyota Tundra electrical

Does the 2012 Toyota Tundra have electrical problems?

Owners have filed 19 complaints about the electrical of the 2012 Toyota Tundra, 12% of all its complaints.

At what mileage do 2012 Toyota Tundra electrical problems start?

The typical (median) mileage in owner complaints is 90,000 miles.

Was there a recall on the 2012 Toyota Tundra electrical?

There is no recall for this problem on this model year.

What year does the Toyota Tundra have the most electrical problems?

The Toyota Tundra model years with the most electrical complaints are 2023 (41 complaints), 2024 (39 complaints) and 2008 (38 complaints).

Other 2012 Toyota Tundra problems

Engine 60Fuel system 27Transmission 21Steering 12Body 11Airbags 9Acceleration 7Brakes 7Driver assistance 7Wheels 6Seats 4Suspension 4Seat belts 2Tires 2Locks 1

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