2019 Toyota 4RUNNER Electrical system Problems
- Complaints
- 8about this part
- Share
- 12%of 65 total for the year
- Median mileage
- 22,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 8 complaints about the electrical system of the 2019 Toyota 4RUNNER, 12% of the 65 complaints for this model year. Where a mileage was given, the median is 22,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I had been driving for two minutes on a city road going approximately 30 MPH, when my car suddenly stalled and all the indicator lights came on. Then the car started on its own and I was able to turn into a parking lot. Then the car stalled again and I noticed smoke coming out of the hood in front of the windshield. I put it in park and took the key out of the ignition. I got out of the car and the car restarted and stalled on its own a few more times after that. It also made a loud beeping sound that sounded like a car alarm but we don't have an alarm installed. …”
NHTSA complaint #11311657, filed 2020-02, 22,000 miles“My 2019 Toyota 4Runner was inhabited by a rat that chewed the wiring harness in at least 3 different areas. The damage occurred between 8pm and 7am. The vehicle started with lights on the dash illuminated. The car was out into drive and was jerking. Reverse had the same result. After inspecting under the hood of the car wires were seen chewed partially and a few completely severed. A rat was seen under the manifold cover. I used an air hose to evict it and had the car towed to dealership. The bill was just under $1000 to repair. …”
NHTSA complaint #11444372, filed 2021-12“My vehicle keeps leaking inside from the AC drip line and it's been cleared multiple times and it still keeps happening and it floods the whole bottom of the passenger side floorboard and becomes soaked through which can cause erosion, electrical issues, mold growth and other problems as well.”
NHTSA complaint #11652743, filed 2025-04“The contact owns a 2019 Toyota 4Runner. The contact stated that the vehicle would not start. There were no warning lights illuminated. The contact waited an hour and was able to restart the vehicle. The vehicle was not diagnosed by an independent mechanic or the dealer. The contact stated that while her mother was driving 5 MPH, she heard abnormal grinding sounds, and the vehicle inadvertently stalled. An unknown warning light was illuminated. The contact was unable to restart the vehicle. The vehicle was towed to the dealer for diagnostic testing. …”
NHTSA complaint #11441279, filed 2021-11, 15,000 miles“The contact owns a 2019 Toyota 4Runner. The contact stated that upon starting the vehicle, the check engine warning light illuminated. The contact also stated that while driving at 45 MPH, he noticed that the vehicle was shuddering. The contact veered to the side of the road, turned off and restarted the vehicle however, the check engine warning light remained illuminated and the vehicle continued to shudder while driving. The vehicle was taken to the local dealer where it was diagnosed that rodents were consuming the food-based wires that were coming out of the wiring harness. …”
NHTSA complaint #11451408, filed 2022-02, 33,000 milesRelated service bulletins
- 11022964Aug 20, 2025Some 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.
- 11020657Jun 13, 2025The 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…
- 10245488Oct 25, 2023TI: TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN K0P CUSTOMER SUPPORT PROGRAM 19TE12 SAFETY CONNECT SYSTEM ? VEHICLE LOCATION INACCURATE CERTAIN 2013 ? 2019 MODEL YEAR…
- 10245487Oct 25, 2023DP: The Data Communication Module (DCM) in the subject vehicles are equipped with software to identify the location of the vehicle using the Global Positioning System (GPS) to…
- 10238157May 30, 2023TSB: 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…
- 10224102Jun 3, 2022TSB: 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…
- 10220177Jun 3, 2022TSB: 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…
- 10211830Apr 29, 2022Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio (version 01013E), Entune? Audio Plus (version 010156 or 01015C), or Entune? Premium Audio (versions…
- 10207963Jan 28, 2022TSB 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…
- 10188915Feb 8, 2021TSB: 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…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 14% |
| 2025 | 8 | 13% |
| 2024 | 2 | 20% |
| 2022 | 2 | 5% |
| 2021 | 3 | 8% |
| 2020 | 1 | 3% |
| 2019 | 8 | 12% |
| 2018 | 4 | 7% |
| 2017 | 5 | 14% |
| 2016 | 18 | 22% |
| 2015 | 13 | 15% |
| 2014 | 24 | 31% |
| 2013 | 4 | 11% |
| 2012 | 6 | 6% |
| 2011 | 6 | 4% |
| 2010 | 4 | 3% |
| 2009 | 4 | 18% |
| 2008 | 5 | 5% |
| 2007 | 13 | 8% |
| 2006 | 18 | 5% |
| 2005 | 9 | 2% |
| 2004 | 22 | 3% |
| 2003 | 12 | 2% |
| 2002 | 3 | 1% |
| 2001 | 6 | 3% |
| 2000 | 4 | 1% |
| 1999 | 17 | 5% |
| 1998 | 11 | 4% |
| 1997 | 6 | 2% |
| 1996 | 3 | 2% |
| 1995 | 6 | 3% |
| 1993 | 5 | 10% |
| 1992 | 6 | 11% |
| 1990 | 1 | 1% |
Other parts of the 2019 Toyota 4RUNNER
13 complaintsOther or unknown
12 complaintsSteering
10 complaintsSuspension
7 complaintsEngine
6 complaintsAir bags
5 complaintsBrakes
5 complaintsTransmission and drivetrain
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsBody and structure
3 complaintsWheels
3 complaintsSeat belts
2 complaints
← All problems reported for the 2019 Toyota 4RUNNER
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology