Electrical System Problems of Toyota Tacoma

Toyota Tacoma owners have reported 389 electrical system related problems since 1996. Table 1 shows the 30 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (255 problems). The second most common problem is related to the vehicle's horn assembly (28 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of Toyota Tacoma

The Electrical System problem

The master cylinder is leaking brake fluid into the cab and is dripping behind the brake pedal. There is brake fluid in the wiring harness that goes to the brake switch as well. This is a known fire hazard from other vehicle manufacturers.   Read details...

The Horn Assembly problem

My vehicle failed va inspection due to the horn not working. I have to get the spiral cable replaced per the auto repair shop. This was a recall on Tacoma�s up to 2009 (recall b1801) but not my year. My year should be part of the recall.   Read details...

The Wiring problem

In the middle of Feb 2021 the driver's side (factory) seat heater stopped heating. The seat heater button still operated normally with regard to lights, etc. I removed the seat and discovered that the connector between the seat heater wiring harness and the seat heater amplifier had electrically   Read details...

The Instrument Panel problem

Instrument panel lights sequential failure. There are two lights for the instrument panel. One failed and then 1 month later, the other light failed.   Read details...

The Underhood Wiring problem

My truck was recalled for a defective trailer wiring harness converter. Nhtsa campaign id number:01e041000. I took the truck to ferris Toyota in dover, OH. They told me I had a converter that wasn't recalled. They told me not to worry it would be fine.   Read details...




Tacoma Service Bulletins
Tacoma Safety Recalls
Tacoma Defect Investigations