2018 Toyota Avalon Electrical system Problems
- Complaints
- 1about this part
- Share
- 4%of 24 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2018 Toyota Avalon, 4% of the 24 complaints for this model year.
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.
“My car check engine light lane sensor light and Lad light came on and card had rough handling i took it to Toyota of plano and they worked on charged me $650 so i was was happy they fixed the problem after one day the lights came back they said it was the rodent damage a Rat chewed the wire because what i learned toyota is using soy base wires it attracts Rats they should not use it it is a safety hazards now my safety feathers don't work i can not afford $600 every other day so please recall this problem Thanks so many accidents can be avoided,”
NHTSA complaint #11422114, filed 2021-06Related 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…
- 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…
- 10210373Mar 8, 2022TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA-8000 is the only appropriate tool to use for diagnosis
- 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…
- 10184555Nov 19, 2020TT: Some 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. These…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 13% |
| 2021 | 1 | 5% |
| 2019 | 17 | 24% |
| 2018 | 1 | 4% |
| 2017 | 2 | 14% |
| 2016 | 3 | 13% |
| 2015 | 4 | 10% |
| 2014 | 11 | 11% |
| 2013 | 14 | 10% |
| 2012 | 4 | 13% |
| 2011 | 25 | 24% |
| 2010 | 3 | 7% |
| 2009 | 11 | 12% |
| 2008 | 44 | 13% |
| 2007 | 17 | 7% |
| 2006 | 16 | 4% |
| 2005 | 17 | 7% |
| 2004 | 11 | 5% |
| 2003 | 18 | 6% |
| 2002 | 6 | 5% |
| 2001 | 14 | 10% |
| 2000 | 11 | 6% |
| 1999 | 6 | 7% |
| 1998 | 19 | 11% |
| 1997 | 4 | 3% |
| 1996 | 7 | 6% |
| 1995 | 8 | 10% |
Other parts of the 2018 Toyota Avalon
6 complaintsOther or unknown
5 complaintsSteering
4 complaintsFuel system
3 complaintsBrakes
2 complaintsForward collision avoidance
2 complaintsVehicle speed control
2 complaintsExterior lighting
1 complaintsLane departure
1 complaintsSeat belts
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 Toyota Avalon
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