2015 Scion TC Electrical system Problems
- Complaints
- 2about this part
- Share
- 9%of 22 total for the year
- Median mileage
- 33,999miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2015 Scion TC, 9% of the 22 complaints for this model year. Where a mileage was given, the median is 33,999 miles.
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.
“Transmission does a harsh/jerk downshift when coming to a stop. It does it randomly, usually when coming to a stop slowly. It's not safe, feels like the car lurches into 1st. Toyota reset the computer and it was ok for a bit but came back. I'm thinking it's the software of the car. Toyota said it's a learning transmission, but somethings wrong. It's scary to drive in traffic, and only have 33k miles. The transmission fluid was change by toyota last year with the ws and it has not fixed this issue. …”
NHTSA complaint #11399316, filed 2021-03, 33,999 miles“Over the past 4-5 years, 2015 scion tc has had numerous electrical issues. Both driver and passenger electric door locks do not work. Head and tail lamp lights burn out frequently. Seems like a grounding issue? Car failed to start August 2021 due to electrical problems. 3rd party mechanic fixed the issue. Toyota Dealer-installed automatic start fails multiple times before starting car. Basic electrical mechanisms for a car made in 2015 should not be broken/failing. 2019 Air Conditioner wouldn't drain. …”
NHTSA complaint #11460618, filed 2022-04Related service bulletins
- 10111295Jun 29, 2015SSB: While a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage…
- 10111145Jun 29, 2015SSB: While a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage…
- 10111157Jun 16, 2015TT: iPhone text messages do not appear on multi media display.
- 10132573May 20, 2015SSB: Scion models equipped with the BeSpoke® Premium Audio featuring Aha? require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote®, and…
- 10111203Apr 21, 2015SSB: Some 2013 - 2015 model year Scion vehicles equipped with BeSpoke® Premium Audio featuring Aha (version less than 14.1.0) may exhibit one or more of the following conditions…
- 10111395Apr 10, 2015SSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many…
- 10111202Apr 10, 2015SSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many…
- 10200379Jul 7, 2014Immobilizer and Smart Key Reset
- 10132773Jun 6, 2014TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix…
- 10060888Apr 14, 2014Summary to be provided on a future date.
Electrical system: other model years
Other parts of the 2015 Scion TC
6 complaintsAir bags
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsBrakes
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsExterior lighting
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2015 Scion TC
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