Toyota Crown Signia 2025–2026

Summary

2 model years in 1 generation, 14 owner complaints in total.
No model year holds enough complaints in its first three years to be compared with the others.
These are complaint counts, not failure rates: they are not divided by how many cars were sold, because no public source reports U.S. sales by model year.
Half of the complaints that give a mileage were filed by 6,500 miles (1 of them give one).
Owners reported 1 crash, 0 fires, 1 injury and 0 deaths across these model years.
3 recalls and 0 federal investigations cover these model years.

Why there is no page per model year

A model year earns its own page when four sources cover it, it holds at least 50 complaints, and it can either be compared with the other years of its generation or shows one system in 40% or more of the complaints that name a component. No Crown Signia year clears that bar: the highest count is 14 complaints, in 2025. Rather than publish a thin page for each year, everything known about this model is on this page.

2025–2026

Each year is counted over the same span: complaints received up to two calendar years after its model year. A year is compared only when that span is over and it holds at least 50 complaints. Fewer than three years of this generation are comparable, so no year is named.

Model year	All complaints	First three years	Most reported system	Note
2025	14	14	Electrical System	not compared
2026	0	0		not compared

Every model year

A model year gets its own page when four sources cover it, it holds at least 50 complaints, and it either compares with the other years of its generation or shows one system in 40% or more of the complaints that name a component. The rest are listed here with their figures.

Model year	Complaints	Recalls	Investigations	Bulletins	Combined MPG	Page
2025	14	3	0	36	38	listed here
2026	0	0	0	0	38	listed here

What owners report across all years

System	Complaints	Share	Median mileage
Electrical System	4	33%	6,500 mi
Engine	2	17%	—
Lighting	2	17%	—
Driver Assistance	2	17%	—
Body & Structure	2	17%	—

Shares are over complaints that name a component; a complaint naming several systems is counted under each.

Electrical System

Owner report The contact's wife owns a 2025 Toyota Crown Signia. The contact received notification of NHTSA Campaign Number: 25V595000 (Electrical System); however, the part to do the recall repair was not yet available. The local dealer was made aware of the issue and confirmed that parts were not yet available. The contact stated…

Owner report The contact owns a 2025 Toyota Crown Signia. The contact stated that while driving at an undisclosed speed, the instrument panel became inoperable, and the display screen appeared blank. The contact received notification of NHTSA Campaign Number: 25V595000 (Electrical System); however, the part for the recall repair wa…

Engine

Owner report The car was leased on 12/18/2024. On 01/24/2025, after starting the vehicle, the check engine light came on with the description: "a malfunction in the electronic control of the engine, throttle, or automatic transmission has been detected. Contact your Toyota dealer to have your vehicle inspected." I am attempting to …

Owner report I had buckled my seat belt and was grabbing my work phone, Iphone 13, to check it before leaving. I accidentally dropped it and it landed on the red part of my seat belt buckle. My seat belt automatically unbuckled. I was able to replicate this several more times. There is something going on with the engine where if…

Lighting

Owner report Driver headlight is lower than passenger headlight creating a big dark side on driver side. Dealership say it can’t be corrected

Owner report Two issues: 1. Low-beam headlights shine way too low on the road and unsafely prevent adequate vision of potential road hazards or oncoming cars, and my model "Limited" only has "automatic headlight leveling" without any way to manually set level to raise up the beam to a safe level. 2. Low-beam headlights cast on the …

Largest recalls

Campaign	Component	Filed	Vehicles
25V744000	BACK OVER PREVENTION:DISPLAY FUNCTION	2025-10-30	1,024,407
25V595000	ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL	2025-09-11	591,377
26V179000	EQUIPMENT:OTHER:LABELS	2026-03-24	8,230

Whether a recall has been done on a specific car depends on its VIN; check it at nhtsa.gov/recalls.

Open investigations

None open.

Service bulletins

Toyota issued 36 service bulletins covering these model years, most often about unknown or other.

A bulletin tells dealers how to fix a known condition. It is not a recall and not a defect finding. Most bulletins cover several model years at once, so a bulletin listed here may not be specific to one year. The number of bulletins tracks how long and how widely a model was sold, so it is not a measure of reliability.

Date	Component	Summary
2026-01-07	UNKNOWN OR OTHER	Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Serv…
2025-06-13	ELECTRICAL SYSTEM	The 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 Bulletin aid in locating, inspecting, and repairing refrigerant…
2025-04-02	ELECTRICAL SYSTEM	To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u…
2025-02-10	ENGINE	Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service B…
2025-01-29	ELECTRICAL SYSTEM	Some 2021 – 2025 model year Toyota vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) is replaced. GTS+ software has been modified to indicate whe…
2025-01-24	UNKNOWN OR OTHER	Long-term or off-site storage requires special care to maintain vehicle condition. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can…
2025-01-23	ELECTRICAL SYSTEM	When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS+ Software Health Check Results screen has been enhanced to help identify if a replacement ECU …
2024-12-06	STRUCTURE:BODY	Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood…
2024-12-06	STRUCTURE:BODY	The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl…
2024-12-05	STRUCTURE:BODY	Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure …

How to read this page

Complaint counts are not failure rates. A model that sells more cars draws more complaints, and owners file more after news coverage or a recall. That is why years are compared only with other years of the same generation, over the same span, and never with other models.

Sources

NHTSA Office of Defects Investigation: complaints, recalls, investigations and manufacturer communications (data as of 2026-10-28).
U.S. EPA / DOE fueleconomy.gov: engines and fuel economy.

This page summarises public records; it is not a mechanical inspection.