The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
full bulletin at NHTSA ↗2015 Toyota Tundra electrical problems
moderate Owners of the 2015 Toyota Tundra have filed 7 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2011 Tundra | 18 |
| 2012 Tundra | 17 |
| 2013 Tundra | 11 |
| 2014 Tundra | 16 |
| 2015 Tundra (this page) | 7 |
| 2016 Tundra | 25 |
| 2017 Tundra | 27 |
| 2018 Tundra | 26 |
| 2019 Tundra | 12 |
When does it fail?
Of the 7 electrical complaints filed for the 2015 Toyota Tundra, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
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.
No new NHTSA electrical complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system.
full bulletin at NHTSA ↗TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year Electronic Wiring Diagram (EWD) and/or Repair Manual.
full bulletin at NHTSA ↗TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
full bulletin at NHTSA ↗TSB: Some 2014 model year Toyota vehicles equipped with Entune? Audio (version 010169), Entune? Audio Plus (version 010171), or Entune? Premium Audio (version 010185) may exhibit one or more of the following conditions: ?Bluetooth® sometimes disconnects with Android? phones. ?Bluetooth® disconnects with iPhone® 4 when connected to USB. ?Radio reboots with heavy radio load condition (e.g., dual map and POIs ON and Entune? Audio music ON and multiple destinations set) (Entune? Premium Audio only). ?Radio reboots after completing a navigation route by voice command system and pressing Talk Switch (Entune? Premium Audio only). Some 2014 model year Toyota vehicles equipped with Entune? Audio (ver
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
When using the turn signal to indicate turning direction at night, all lights shut off randomly, leaving you with no way to see where you're going. This includes all cabin lights so you can't find the switch to turn the lights back on. This happen regularly. This has been detailed here: https://www.tundras.com/threads/auto-headlights-shut-off-with-turn-signal.22968 It seems Toyota knows about…
On my 2015 Toyota tundra,the light from the radio display is so bright at night it makes this truck very dangerous to drive. When it rains at night it makes it 10 times more dangerous. This truck needs a dimmer switch for the brightness on the radio for night driving. If you wear glasses like me, the light from this display make a glare. I have two kids, one is 15 months and the other is 3…
The contact owns a 2015 Toyota Tundra. The contact stated that the horn failed to sound while pressing the horn pad in the center of the steering wheel. The horn only sounded while activated with the key fob. The vehicle was taken to the dealer, who diagnosed a defective clock spring in the steering wheel, causing the horn and air bag to malfunction. The vehicle had not been repaired. The…
Drivers side clearance warning sonar has abnormal operation. It comes on at random times at low speeds.
Common questions
How serious is the electrical problem on the 2015 Toyota Tundra?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 7 complaints filed, electrical issues most often appear around 80,064 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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.