2002 Toyota 4RUNNER Electrical system Problems
- Complaints
- 3about this part
- Share
- 1%of 225 total for the year
- Median mileage
- 55,778miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2002 Toyota 4RUNNER, 1% of the 225 complaints for this model year. Where a mileage was given, the median is 55,778 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.
“2002 Toyota 4runner front end makes loud noises, when going over high bumps and some stiffness in steering. The battery needed to be replace due to little or no fluids, noises were coming from the front end, the shock were leaking, and transmission fluid was leaking. The consumer requested a replacement of the front suspension/lower ball joints and the leaking shocks at no cost.”
NHTSA complaint #10142135, filed 2005-11, 17,557 miles“I own a 2002 Toyota 4runner with approximately 94,000 miles. The vehicle primary use is driving less than 10 miles a day off highway. The following alarm lights came on: brake light, check engine light, vsc light, trac light, ABS light, and the speedometer quit working. The vehicle was taken to mike calvert Toyota in houston, tx to diagnose the problem. Their scanner was unable to identify a code for the problem. The conclusion was that the ads control module (skid control sensor) was at fault and thus had to be replaced. …”
NHTSA complaint #10419300, filed 2011-08, 94,000 miles“Vehicle spontaneously burst into flames while parked with the engine turned off. The fire appeared to have started in the area around the center console and flamed up to the ceiling and melted the components around the sun roof, etc. Due to the windows being shut the fire put itself out. The insurance investigator concluded that the fire stemmed from the cell phone charger.”
NHTSA complaint #10022525, filed 2003-06Related service bulletins
- 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…
- 10164330Jul 1, 2019TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections…
- 10133654Nov 22, 2017TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be…
- 10152205Jan 6, 2017TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles…
- 10132930Nov 29, 2016TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
- 10150418Sep 14, 2016TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
- 10134140Jan 11, 2016Tech Tip: Some customers may experience difficulty programming HomeLink.
- 10134223Sep 15, 2015TT: The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
- 10096556Sep 15, 2015Tt: the vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the engine ecm has been interrupted.
- 10132529Aug 24, 2015TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been…
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 | 23% |
| 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 2002 Toyota 4RUNNER
88 complaintsSuspension
49 complaintsTransmission and drivetrain
33 complaintsOther or unknown
32 complaintsBrakes
21 complaintsEngine cooling
12 complaintsSteering
12 complaintsVehicle speed control
11 complaintsAir bags
9 complaintsTires
8 complaintsEngine
5 complaintsElectronic stability control
4 complaints
← All problems reported for the 2002 Toyota 4RUNNER
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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