Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low.
full bulletin at NHTSA ↗2017 Toyota Tundra electrical problems
severe Owners of the 2017 Toyota Tundra have filed 27 NHTSA complaints about the electrical, typically surfacing around 24,000 miles at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Failure mileage
Complaints
27
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2013 Tundra | 11 |
| 2014 Tundra | 16 |
| 2015 Tundra | 7 |
| 2016 Tundra | 25 |
| 2017 Tundra (this page) | 27 |
| 2018 Tundra | 26 |
| 2019 Tundra | 12 |
| 2020 Tundra | 3 |
| 2021 Tundra | 4 |
1crash
1injury
When does it fail?
Of the 27 electrical complaints filed for the 2017 Toyota Tundra, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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
Electrical accounts for 35% of every owner complaint on file for this vehicle — the dominant problem area across 5 categories tracked.
Owners have filed 27 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.
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.
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 ↗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: Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio (version 01013E), Entune? Audio Plus (version 010156 or 01015C), or Entune? Premium Audio (versions 010171, 010170, or 01017D) may exhibit one or more of the following conditions: ?Head unit reboots at a specific location. ?Abnormal Destination Search app operation. ?Rebooting caused by no songs on the USB-connected iPhone. ?A one-time reboot after ignition is cycled to ACC-ON. ?Audio stays muted after the key is cycled.
full bulletin at NHTSA ↗TSB: Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio (version 01013E), Entune? Audio Plus (version 010156 or 01015C), or Entune? Premium Audio (versions 010171, 010170, or 01017D) may exhibit one or more of the following conditions: ?Head unit reboots at a specific location. ?Abnormal Destination Search app operation. ?Rebooting caused by no songs on the USB-connected iPhone. ?A one-time reboot after ignition is cycled to ACC-ON. ?Audio stays muted after the key is cycled. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio (version 010144), Entune? Audio Plus (version 01015E), Entune? Premium Audio (version 010182), or earlier may exhibit one or m
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2017 Tundra has significant electrical gremlins that cut across multiple systems. The integrated brake controller (IBC) randomly disables trailer brakes or supplies insufficient power without warning—a dangerous failure when towing. Owners report the IBC enters fault mode intermittently, sometimes just from plugging in a trailer, with rapid relay clicking and no clear cause. Trailers function normally when towed by other vehicles, yet Toyota's testers cannot locate the problem.
Equally serious: headlights and dash lights abruptly cut out when the turn signal is engaged (especially left) with the light selector on AUTO, particularly in cool temperatures around 40°F. The blackout lasts seconds to minutes, creating a major crash risk at highway speeds. Dealers cannot reproduce the issue during daytime shop hours, refusing warranty service despite multiple owners reporting the same problem on forums.
Additional electrical failures include: a headlight leveling motor that failed at 13,000 miles with no replacement part available; a rear defroster short that popped and created smoke under the windshield; secondary air pump failure causing severe power loss at 75,000 miles; turn signal and wiper switch failures; and a dangerous gap in the air intake grill that allows rodents to chew through wiring harnesses. The Safety Sense autonomous braking system failed to activate in one collision scenario at 1,000 miles.
Same Toyota Tundra electrical reports on nearby years: 2014 · 2016 · 2018 · 2019
Failure modes owners describe
Integrated Brake Controller (IBC) intermittent faults / trailer brake loss
The IBC intermittently disables trailer brakes without warning, with rapid relay clicking and fault indicators. The system fails randomly or when trailer is first connected, even without driving. Trailer brakes may not engage at all despite proper setup, or lack sufficient stopping power. Occurs on dual-axle electric trailers; trailer brake systems function normally when connected to other tow vehicles.
When: Intermittent, sometimes immediately upon connection; also during driving downhill or highway merging at various speeds
Symptoms owners cite: No trailer braking when needed (e.g., highway descent, traffic stops); IBC rapid relay clicking; IBC fault mode indication; Weak or no trailer brake response despite maximum gain adjustment; IBC intermittently goes into fault mode without user action
Repairs/costs cited: Toyota dealer unable to locate fault with IBC tester; replacing OEM Toyota IBC with aftermarket Tekonsha P3 also reports brake circuit short/overload error. Trailer wiring inspected and found sound; trailer tested successfully on other vehicles (Chevy Silverado). Toyota states IBC is up-to-date and functioning correctly despite owner's inability to achieve proper brake lock-up.
Recalls/TSBs owners mention: Toyota indicates IBC is up-to-date on software updates and functioning correctly per owner inspection on 01/14/2022. No recall or TSB mentioned by owners.
Headlights/dash lights turn off or dim when using turn signal (AUTO mode)
When headlight selector is on AUTO and turn signal (especially left) is engaged at night, all exterior and interior lights go black or dim significantly. Lights return to normal when turn signal returns to neutral. Occurs intermittently but repeatedly, making it difficult for dealers to reproduce. Issue is temperature-dependent (worse in cool/cold conditions around 40°F).
When: Nighttime driving at various speeds (10–80 mph); intermittent, occurring more frequently in cooler temperatures
Symptoms owners cite: All exterior lights (headlights, taillights) go out or turn black; Interior dash lights and instrumentation go dark or dim; Lights flicker or stay off for seconds to minutes; Issue triggered by left or right turn signal engagement; Does not occur when lights are manually switched to ON; Does not occur in warmer conditions
Repairs/costs cited: First dealership replaced light sensor on dash under warranty; problem recurred within hours. Second dealership replaced headlight stalk/switch at owner expense; resolved the issue. Some owners report temporary fix by tapping turn signal stalk or moving switch to OFF then back to ON.
Recalls/TSBs owners mention: Multiple owners report this is a known issue discussed on Toyota Tundra forums, but Toyota has not publicly acknowledged it or issued a recall. Some owners note Toyota will not warranty repair if issue cannot be reproduced in shop during business hours (daytime testing).
Headlight leveling motor failure
Right headlight leveling motor failed, causing headlight beam to point at ground and severely limiting night visibility. OEM replacement part unavailable, and aftermarket suppliers do not stock it. Occurs on low-mileage vehicle.
When: 13,000 miles
Symptoms owners cite: Right headlight aims downward at ground; Significantly reduced nighttime visibility
Repairs/costs cited: Dealer quoted $500+ for complete new headlight assembly. Owner states motor is cheaply constructed (per disassembly video).
Recalls/TSBs owners mention: Toyota does not offer replacement motor part; warranty denied after initial diagnosis.
Rear defroster electrical short and fire hazard
Activating rear defroster (and side mirror defrost) caused loud pop and smoke under passenger windshield wiper area. Windshield cracked (likely from heat), and wiper melted on windscreen. Indicates electrical short in defroster circuit under windshield.
When: Cold morning startup, vehicle stationary
Symptoms owners cite: Loud electrical pop when defroster activated; Smoke visible under passenger windshield wiper; Windshield cracked; Wiper melted on windscreen
Rodent damage to electrical wiring harness
Rodents entered vehicle and damaged electrical wiring by chewing soy-based insulation, requiring extensive wiring harness replacement. Large gaps at air intake grill below windshield allow mice to enter ventilation system and access cab/dash wiring. Dealer acknowledged issue exists but offered only scent-based deterrent.
Symptoms owners cite: Vehicle system failures (braking, power, air bag, etc.) due to damaged wiring; Mice found in ventilation system and cab
Repairs/costs cited: Extensive wiring and wiring harness replacement required per Modesto Toyota diagnosis. Owner retrofit steel mesh over air intake grill gaps as temporary fix.
Recalls/TSBs owners mention: Manufacturer stated no warranty or recall available for rodent damage. Dealer (Rochester Toyota and Modesto Toyota) acknowledged issue but offered only scent deterrent suggestion.
Secondary air pump and emission valve system failure (power loss)
Vehicle lost power during highway driving; unable to climb grades or maintain speed. Diagnosis indicates failure of secondary air pump (both sides) and associated emission valves, gaskets, air tubes. Affects acceleration capability. Long parts shortage causing extended service delays.
When: 75,000 miles; reported on 12/16/2022
Symptoms owners cite: Loss of engine power; Unable to climb grades or pass vehicles; Reduced highway speed capability (unable to exceed 40 mph uphill)
Repairs/costs cited: Requires replacement of both secondary air pumps, emission valve sets, gaskets, air tubes, and inlets. Parts availability severely limited; owner reported 44-person waiting list at time of complaint.
Turn signal and windshield wiper switch failures
Exterior and interior turn signals failed to illuminate when turn signal switch activated. Same failure pattern occurred with windshield wiper switch. Failures recurred numerous times but could not be reproduced by dealers.
When: 15,000 miles
Symptoms owners cite: Turn signals do not illuminate when switch activated; Windshield wipers do not operate when switch activated; Recurring failures
Repairs/costs cited: Vehicle not repaired; failures could not be reproduced by Bert Ogden Toyota or Spartan Toyota.
Recalls/TSBs owners mention: Manufacturer notified and opened case number 1808292570.
Safety Sense system failure to activate in collision scenario
Safety Sense automatic braking and airbag systems failed to activate when vehicle suddenly cut in front during highway driving, causing chain-reaction collisions. System did not function despite objects in close proximity at high rate of closure.
When: 1,000 miles
Symptoms owners cite: Safety Sense did not activate automatic braking; Airbags did not deploy; Vehicle rear-ended preceding vehicle at ~30 mph
Dashboard gauge illumination failure during daytime
Dashboard gauges do not illuminate when headlights are off during daytime, making gauges impossible or very difficult to read in shaded driving conditions, especially while wearing sunglasses.
Symptoms owners cite: Gauges not illuminated during daytime with headlights off; Difficulty reading gauges in shady areas; Nearly impossible to read gauges with sunglasses
Synthesized from 27 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 6 most recent
Tl* the contact owns a 2017 Toyota tundra. The contact stated that rodents damaged the electrical system in the vehicle by eating the soy-based wires. The dealer (modesto Toyota, 4513 mchenry ave, modesto, ca 95356, (209) 529-2933) diagnosed that the wiring and the wiring harness needed to be replaced, which was an extensive repair. The manufacturer was notified of the failure and stated that…
My 2017 Toyota tundra 1794 crewmax, during winter months in south carolina - the headlights, tail lights and internal instrumentation will turn off when turning left or right with turn signal engaged. This only happens with the lights in the auto position and not in the manual position and the issue occurs at night intermittently while the vehicle is in motion!! Sometimes the lights just flicker…
Automatic headlights shut off when turn signal is used. It happens intermittently, but frequently. I have had this happen multiple time at speeds ranging from 10 MPH to 80 MPH but it only seems to happen when the automatic headlights are on and the turn signal is activated.
Tl* the contact's parents purchased a 2018 Toyota tundra (na). While driving approximately 30 MPH, a vehicle suddenly cut in front of the driver and caused a chain reaction of sudden stops with several vehicles. The driver rear ended the preceding vehicle. The air bags and Toyota safety sense system failed to activate. The safety sense feature was supposed to stop the vehicle automatically due to…
Tl* the contact owns a 2017 Toyota tundra. The contact stated that the exterior and interior turn signals failed to illuminate when the turn signal switch was activated. The contact stated that the same failure occurred with the windshield wipers when the wiper switch was activated. The failures recurred numerous times. The vehicle was taken to bert ogden Toyota (located at 8721 w expy 83,…
Right headlight leveling motor failed causing headlight to point at the ground. I now have limited night time visibility on a 13,000 mi. vehicle. Toyota does not offer a replacement part nor do aftermarket sellers. A Youtube video of one of these dismantled motors shows a cheapest of the cheap device. Auto manufacturers should not be allowed to use cheaply made items to point headlights! Dealer…
Had electrical trouble with your 2017 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 2017 Toyota Tundra?
It's a meaningful issue. 27 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 16 complaints that reported odometer mileage, most electrical failures cluster between 15,000 and 31,000 miles, with the median around 24,000. A quarter of owners report trouble before 15,000; a quarter make it past 31,000. 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/2017/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.