2018 Toyota Corolla Electrical system Problems
- Complaints
- 12about this part
- Share
- 9%of 135 total for the year
- Median mileage
- 29,300miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 12 complaints about the electrical system of the 2018 Toyota Corolla, 9% of the 135 complaints for this model year. Where a mileage was given, the median is 29,300 miles. 1 of these say a crash was involved and 2 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 was trying to back up in area with a lot of young children around. When I put the vehicle in reverse and looked at the camera screen, it had completely died. I have been unable to get the screen to work since. It does not do any good for the NHTSA to require back up camera systems if they fail after a few months. The safety benefit of requiring a system on 2018 vehicles if the system fails completely before the end of 2019 is not good.”
NHTSA complaint #11257194, filed 2019-09, 28,600 miles“The car was in stationary mode on a city street and waiting for the red light to turn green. After a few minutes, the turned green and I accelerated a little as the car begin to move but out of nowhere the car turned off and all systems stopped, including the computer board, but before all went blank there was a message about system error with a triangle symbol, and I had to manually activate the parking lever as well as press the brakes. Thankfully everyone in their lanes noticed my odyssey and made space for the other upcoming cars as I activated the emergency flashing lights. …”
NHTSA complaint #11299994, filed 2020-01, 10,264 miles“Odometer Fraud. The contact purchased a 2018 Toyota Corolla. The contact discovered a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was approximately 85,000. The contact later discovered that the mileage on the Title was 200,095.”
NHTSA complaint #11682844, filed 2025-08, 200,095 miles“After having no indication of any issue, my 2018 Toyota Corolla has stopped re-starting after fueling. The only light that appeared was regarding my battery. My battery is brand new and tested.”
NHTSA complaint #11694221, filed 2025-10“I was driving down the highway and I heard a tapping noise thought it might have been a piece of trim loose on the car so I pulled over and stopped. Immediately the engine died would not restart. I looked under the hood and the radiator cap had blown off and all of the coolant was gone The engine had overheated when I put compression test was done there was water shooting out of the valve cover. It was diagnosed as a blown head gasket The car never gave any warning lights or the thermostat never showed any temperature problem at all. …”
NHTSA complaint #11577085, filed 2024-03Related service bulletins
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- 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…
- 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…
- 10182983Oct 12, 2020TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first…
- 10178787Jul 20, 2020TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one…
- 10173806Mar 10, 2020TSB: OBSOLETE NOTICE March 10, 2020: This bulletin is now obsolete. Please see T-SB-0024-20.
- 10173804Mar 10, 2020TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0003-19. ?The Introduction and Software Update Information sections have…
- 10169441Nov 25, 2019TSB: REVISION NOTICE November 25, 2019 Rev2: ? Applicability has been updated to include 2019 model year Corolla and Prius C vehicles. ? The faceplate ID applicability table has…
- 10166024Sep 18, 2019TT: Some customers may experience poor outgoing Bluetooth sound quality, this can occur for various reasons. Current multimedia systems are designed with the ability to adjust…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 11% |
| 2025 | 4 | 13% |
| 2024 | 8 | 12% |
| 2023 | 14 | 19% |
| 2022 | 21 | 21% |
| 2021 | 23 | 12% |
| 2020 | 34 | 11% |
| 2019 | 15 | 7% |
| 2018 | 12 | 9% |
| 2017 | 21 | 12% |
| 2016 | 14 | 7% |
| 2015 | 18 | 8% |
| 2014 | 52 | 19% |
| 2013 | 11 | 5% |
| 2012 | 13 | 3% |
| 2011 | 18 | 3% |
| 2010 | 75 | 6% |
| 2009 | 89 | 6% |
| 2008 | 22 | 7% |
| 2007 | 89 | 11% |
| 2006 | 85 | 10% |
| 2005 | 59 | 7% |
| 2004 | 24 | 5% |
| 2003 | 34 | 5% |
| 2002 | 1 | 1% |
| 2001 | 7 | 5% |
| 2000 | 6 | 4% |
| 1999 | 6 | 4% |
| 1998 | 16 | 7% |
| 1997 | 7 | 5% |
| 1996 | 12 | 9% |
| 1995 | 18 | 10% |
| 1994 | 12 | 7% |
| 1993 | 14 | 11% |
| 1992 | 12 | 19% |
| 1991 | 7 | 10% |
| 1989 | 3 | 13% |
| 1988 | 2 | 8% |
| 1987 | 1 | 7% |
| 1984 | 1 | 17% |
Other parts of the 2018 Toyota Corolla
38 complaintsAir bags
36 complaintsOther or unknown
19 complaintsEngine
16 complaintsTransmission and drivetrain
12 complaintsBrakes
11 complaintsSeat belts
11 complaintsVehicle speed control
11 complaintsSteering
5 complaintsSuspension
5 complaintsForward collision avoidance
4 complaintsBody and structure
4 complaints
← All problems reported for the 2018 Toyota Corolla
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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