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Electrical System Problems of Toyota Tacoma - part 1



Toyota Tacoma owners have reported 112 problems related to electrical system (under the electrical system category).

car image   Electrical System problem of the 2015 Toyota Tacoma 1
Failure Date: 06/02/2016

My truck was recently damaged from rodents,they built a nest by engine and chewed wires. After further research I found that auto manufacturers in order to go green are using soy based products on wires instead of petroleum. They are using sugar in there plastics. Rice husks in there interiors. All this stuff attracts rodents. This is unacceptable! my dealership said they are seeing at least 2 rodent damaged vehicles a week. My truck is driven daily and sits no longer than 8 hours. The total damage on a brand new truck with extended warranty was 2700 out of pocket, this damage was no covered by warranty.

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car image   Electrical System problem of the 2012 Toyota Tacoma 2
Failure Date: 05/31/2016

The secondary air injection systems seems to fail quite frequently on these 2012 Tacomas with little to no help from Toyota to take care of this issue as a recall. These are known to fail right after your out of warranty and to charge it's loyal customers over $1000 for a part that should not fail or a part that should be covered is absurd. I have been a loyal Toyota customer my whole life but the issues of the Tacoma are making me rethink my decisions as an automotive consumer.

See all problems of the 2012 Toyota Tacoma.

car image   Electrical System problem of the 2016 Toyota Tacoma 3
Failure Date: 04/01/2016

The contact owns a 2016 Toyota Tacoma. While driving at various speeds, the estimated mpg displayed on the message board was inaccurate. The vehicle was taken to a dealer who was unable to diagnose or repair the vehicle; however, the computer was reset. The technician also stated that the estimated mpg of fuel consumption was not calculated when the vehicle was idling. The failure persisted and the manufacturer was notified. The failure mileage was 1,000.

car image   Electrical System problem of the 2016 Toyota Tacoma 4
Failure Date: 02/15/2016

After 10,000 miles the airbag light came on. Then the next day the check engine light came on as well as the traction control. Called the dealership and they looked at it saying I just need new sensors. Drove it a couple more days and noticed the cruise control was non existent. I drive a lot for work and use it a ton and all of a sudden it wouldn't even bring the light on or work at all. The next day started driving and the real issues started. Turned truck on; same problems I have been having; then the truck would not shift. Kept going and going till I was getting to 5000rpm and it shifted with a tremendous amount of force. Once it shifted the whole truck did a huge jerk then went a little more an did a double shift totally bypassing the 3rd gear. I turned it off and started it again. Kept having the same problem all day. I called the dealership and they said get it to them when I could and they would take a look. Almost caused several accidents trying to get the brand new $35,000 truck that didn't work to the dealership almost running into the people in front of me who cut me off because I can't go over 40mph on the freeway and I have no control of the violent shifting moving the whole truck. Needless to say the dealership tried to blame me for all of these problems that I could not have possibly cause if I tried and that my brand new truck with 10,000miles on it was fine just needed a couple sensors. Obviously this is not working and I think sensors are the least of the worries.

car image   Electrical System problem of the 2009 Toyota Tacoma 5
Failure Date: 02/15/2016

Both headlamp assemblies show inner running light/turnsignal lens have bubbling, burning and now the right one has cracked with the inner lens separating. I have checked both bulbs and they are the proper, listed bulbs, 4157na.

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car image   Electrical System problem of the 2016 Toyota Tacoma 6
Failure Date: 02/15/2016

My abs light failure came on and said check with dealer. Three days later taken to dealership and electrical harness had been chewed by rodents. It is requiring $5000 to replace this component. I have had this truck for one month and brand new. The vehicle was stationery in driveway when eaten.


car image   Electrical System problem of the 2007 Toyota Tacoma 7
Failure Date: 02/05/2016

The vehicle's entire electrical wire harness had to be replaced. Diagnostic code pointed to a corrosion problem with the harness hook-up point with the automatic transmission. Toyota put out a mechanic's bulletin for it's mechanics when this code came up to replace the entire electrical wire harness probable cause corrosion. The problem showed up after starting the truck, driver pushed the brake, to move transmission from park to reverse. The right turn signal indicator light lit up while brake was depressed. Check engine light came on. Right signal came on every time the brake was applied, all the way to the dealership service department.

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car image   Electrical System problem of the 2013 Toyota Tacoma 8
Failure Date: 12/18/2015

We hit black ice and spun flipped into a ditch onto the passenger side of the truck airbag deployed on the passenger side the airbag caught on fire catching the whole truck on fire.

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car image   Electrical System problem of the 2003 Toyota Tacoma 9
Failure Date: 11/11/2015

The headlight harness plug burned up I had to replace it headlights burn out with in months as do tail lights I have replaced both bulbs three times in the last six months. And replaced tail light bulbs twice in six months.

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car image   Electrical System problem of the 2004 Toyota Tacoma 10
Failure Date: 10/05/2015

2004 Toyota Tacoma v6 3. 4l 5vz-fe with automatic transmission. Toyota originally equipped this vehicle with a throttle by wire system. The vehicle unexpectedly does not respond to accelerator pedal position. Toyota on board diagnostic system does not detect fault thus does not log any error codes or illuminate check engine light. Occurrence rate and duration of events is intermittent and inconsistent. Velocity of the vehicle rapidly decreases unexpectedly and momentarily as if foot was temporarily removed from the accelerator pedal. Vehicle also unexpectedly and momentarily does not respond when accelerator pedal is depressed to begin moving or suddenly decreases speed when accelerating. This is a potential hazard in situations such as cruising in traffic, clearing an intersection, crossing railroad tracks, etc. . . Occurrence rate and duration of problem seems to be worsening over time or with increased ambient temperatures.

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car image   Electrical System problem of the 2004 Toyota Tacoma 11
Failure Date: 10/01/2015

The vehicle was in motion at highway speeds when the truck instantly began decelerating even though I had the accelerator depressed. This problem resolved after turning the truck off and then on again. The problem recurred several times while stopped and while driving over the course of the next month. I was nearly rear ended as a result of this failure. Upon reading, and inspection by a mechanic I was notified that the throttle sensor had failed, and the entire throttle body needed to be replaced as a result. Upon researching this I did discover that this is the case the '03-'04 Tacoma (I have an 04), for which a throttle position sensor is not available, at least in the u. S. This is a very dangerous issue that several people have complained about with '03-'04 Tacoma trucks. Replacing the entire throttle assembly is an obnoxious and expensive consequence for a faulty electronic part that puts vehicle owners' lives at risk. This should have been addressed by the manufacturer!.

car image   Electrical System problem of the 2005 Toyota Tacoma 12
Failure Date: 09/21/2015

I was driving, from my work try to open the window and I can not open I stop, something smell burn, was my driving side door, windows were lock, my truck were looked , I can not open doors, I drove to my mecanic he broke the window, a lot smoke inside my truck, ok, I went out, and it cost me $1200. 00. - to fix, well change everything inside. Thanks I live in lomita CA.

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car image   Electrical System problem of the 2013 Toyota Tacoma 13
Failure Date: 05/16/2015

The contact owns a 2013 Toyota Tacoma. The contact heard a popping noise coming from the vehicle and observed smoke inside the vehicle. After opening the driver side door, the contact noticed flames primarily on the driver side of the vehicle. The contact extinguished the fire with a garden hose. The contact took the vehicle to a dealer, but it was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 50,000.

car image   Electrical System problem of the 2012 Toyota Tacoma 14
Failure Date: 02/17/2015

Driving my Toyota Tacoma, I was approaching a steep decline. I tapped on the brakes and continued driving at approximately 27 mph when I down shifted to accommodate for the snowy road. As I was down shifting the truck lost control and slid sideways causing the front passenger side to hit a snow bank. Once the truck struck the snow bank it flopped over on its driver side. The side air bags on both sides came out but did not inflate. The driver side bags were torn. I found evidence of this with shredded pieces of the air bag found in the vehicle. Additionally the driver side front air bags never deployed.

car image   Electrical System problem of the 2004 Toyota Tacoma 15
Failure Date: 12/21/2014

While driving the vehicle loses pedal response due to the throttle control motor shutting down and the check engine light coming on. The engine either shuts down completely or the becomes very jerky and cannot sustain an idle. Incidents began to occur around 95,000 miles odo but stopped for several years after a mechanic worked on the vehicle and said the throttle position sensor was out of alignment. More recently the truck has again been experiencing the same problem as before: loss of pedal response, and in addition it now shuts the engine down and the gauges shoot up to the top of the charts and tick unresponsively until the key is removed from the ignition. This has occurred multiple times now in traffic and along the roadway where the truck becomes unresponsive and is difficult to drive safely off of the roadway.

car image   Electrical System problem of the 2004 Toyota Tacoma 16
Failure Date: 10/30/2014

I was driving at a normal speed on the highway. The gas pedal became unresponsive. I had to push the pedal all the way to the floor in order to get up to speed. The check engine light came on and the transmission had trouble switching between gears. This problem occured intermittently and continues to happen. The code that has come up is to replace the throttle body, which I have two separate times, but again the new replacement part is quoted at $1000.

car image   Electrical System problem of the 2007 Toyota Tacoma 17
Failure Date: 10/16/2014

Tl- the contact owns a 2007 Toyota Tacoma. The contact stated that upon starting the vehicle, the air bag warning indicator was illuminated. The vehicle was taken to the dealer where it was diagnosed that the seat had a sensor that had become inoperable and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 48,000. The VIN was not available. Wh.

car image   Electrical System problem of the 2008 Toyota Tacoma 18
Failure Date: 08/01/2014

Front running lights melted the plastic causing charring and a fire. Pictures were sent to Toyota national headquarters safety personnel under file # 1408062678, incident 14809-000124. Toyota acknowledges there is an issue with 2005-2011 Tacoma¿s and stated this condition was covered under a "warranty enhancement program" and the deal would correct the problem. I contacted the local dealer and was told my VIN number does not qualify. I inquired profusely as to the process used to determine the VIN number range, how this problem is being fixed and was told these are not publicly released documents. I was not offered a method to fix this condition to prevent it from happening again -- "we apologize but are not in a position to avail a point of contact in Toyota safety management to discuss your case. As we have provided our position on these matters, we do not have further information to offer in this regard. " robert browning Toyota customer experience. I have searched the NHTSA data base and see others are having the same problems under NHTSA 10523691, 10510776, 10457435, 10448124, 10427052, 10405463. I ask that Toyota be responsible to vehicle owners and be required to re-examine their VIN range on this particular problem. The front turn signals are charred and melted so badly they are extremely hard to see and will lead to future accidents. The plastic also heats up enough to cause melting and fire potential in these vehicles.

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car image   Electrical System problem of the 2003 Toyota Tacoma 19
Failure Date: 07/15/2014

The contact owns a 2003 Toyota Tacoma. While driving various speeds, a chiming noise activated in the vehicle. The failure occurred several times. The vehicle was taken to a dealer, but was not diagnosed or repaired. The manufacturer was notified. The approximate failure mileage was 110,700.

car image   Electrical System problem of the 2001 Toyota Tacoma 20
Failure Date: 04/11/2014

While driving on a two-lane highway, the passenger window started going up and down the driver's side power window/power lock control panel started really smoking. I pulled over and the panel eventually stopped smoking leaving both windows permanently down.

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car image   Electrical System problem of the 2009 Toyota Tacoma 21
Failure Date: 02/28/2014

The contact owns a 2009 Toyota Tacoma. The contact stated that the day time running light system failed which caused the lens to fracture and the bulbs to burn. The turning signals that are connect to the daytime running lights also failed. The contact replaced the daytime running light bulbs several times; however, the failure was not corrected. The manufacturer was made aware of the failure. The daytime running light system was not repaired. The failure and current mileage was 67,000.

car image   Electrical System problem of the 2009 Toyota Tacoma 22
Failure Date: 02/15/2014

The daytime running lights have meted the lens and the high heat has also cracked and distorted the main head lght lens on my 2009 Toyota Tacoma.

car image   Electrical System problem of the 2006 Toyota Tacoma 23
Failure Date: 01/13/2014

Tl-the contact owns a 2006 Toyota Tacoma. The contact stated that after the vehicle was repaired under a manufacturer's recall. The contact stated that while driving at various speeds, the brake warning indicator illuminated continuously. The contact stated that when the ignition was turned to the off position, the engine did not turn off. The contact had to press the remote start in order for the vehicle to turn off. The failure recurred numerous times. The vehicle was taken to an independent mechanic where it was diagnosed that the brake lines were leaking and needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was unknown. Sg.

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car image   Electrical System problem of the 2004 Toyota Tacoma 24
Failure Date: 01/01/2014

Tl-the contact owns a 2004 Toyota Tacoma. The contact stated that the drivers door electronic lock system failed. The door locked on its own and does not unlock with the in or out door handle. The passenger door was used to exit the vehicle. The vehicle was taken to the dealer several times for the failure a diagnostic performed which was unable to locate a failure code. The vehicle was not repaired. The manufacturer was notified. The approximate failure mileage was 100,000. Li.

car image   Electrical System problem of the 2009 Toyota Tacoma 25
Failure Date: 12/29/2013

The day time running lights that also doubles as turn signals are burning a hole through the plastic lens inside the headlights and cracking the lens as well. These are a known issue with Toyota and they put out a t-sb-0129-11 on September 7th, 2011 and called it an "appearance concern". It is also a fire hazard as I don't believe the lenses should be melting.

Other Common Electrical System related problems of Toyota Tacoma