Electrical
Owners of this Tacoma commonly describe rodent damage to wiring harnesses and driver seat heaters that melt, arc, or stop working, along with occasional stalling and infotainment glitches. Repairs vary, with some dealers fixing the issue and others unable to find or resolve the cause.
- Warning signs:
- Owners report check engine, ABS, traction control or BSM warning lights, burning smells, melted seat heater connectors, infotainment freezes, or sudden stalling while driving.
- What shops did:
- Dealers often replaced chewed wiring harnesses, sensors, or seat heater components, though some could not diagnose or fully resolve the issue, sometimes charging owners out of pocket.
- Mileage:
- most between 5,000 and 50,000 miles, among 24 complaints that give it
“The electrical module for the heated seat had malfunctioned and melted”
“the moisture collected travels down into the backside of the various female connectors and corrodes the conductors”
