TSB: Some 2023 model year bZ4X vehicles with multimedia version 1505 or older; Corolla, Corolla Hybrid, and Corolla Hatchback vehicles with multimedia version 1506 or older; and Crown vehicles with multimedia version 1511 or older may exhibit one or more of the following conditions: ?Head unit rebooting. ?User Profile enhancements. ??Software Update Complete? pop-up message. ?Display screen frozen/non-responsive. ?Navigation items show on non-navigation multimedia system (Mexico market only). ?Newly added phone contact name will not show on display screen. ?Noise during hands-free calls. ?GPS location indicator stays on after map is off. ?Map does not display. ?Route guidance guides to incor
full bulletin at NHTSA ↗2023 Toyota Corolla lighting problems
moderate Owners of the 2023 Toyota Corolla have filed 10 NHTSA complaints about the lighting at roughly $250 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See lighting across all vehicles →
Complaints
10
Recalls
0
Avg fix
$250
| Model year | lighting complaints |
|---|---|
| 2019 Corolla | 4 |
| 2020 Corolla | 3 |
| 2021 Corolla | 5 |
| 2022 Corolla | 6 |
| 2023 Corolla (this page) | 10 |
| 2024 Corolla | 4 |
What stands out
Of the 13 model years of Toyota Corolla we track for lighting problems, this one carries the most owner complaints on file — 10.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Ten 2023 Corolla owners filed complaints about the vehicle's lighting. The dominant issue is a dark shadow pattern in the low-beam headlights that obscures portions of the road during night driving. Owners describe dark spots that appear to come from inside the headlight—one says it looks like a tall screw or bolt—and the shadow shifts in intensity as the vehicle moves over hills or turns. When high beams are engaged, the shadow vanishes. Multiple owners report the shadow blocks visibility of the left side of the roadway, making night driving unsafe. Two owners hit debris on highways they couldn't see due to the shadow—one struck a tire on the interstate, another hit a piece of wood on a divided highway, causing accidents with damaged tires.
Owners took vehicles to Toyota dealers, who visually confirmed the shadow but stated it's part of the headlight assembly and cannot be repaired. One owner said a dealer told them "all 2023 Corollas have this problem." Another dealer called it "normal." One owner filed a case with Toyota (case #2304 11000333) and received no response for two months. Attempts to adjust the low beams to improve visibility resulted in complaints from oncoming drivers being blinded. One owner reports insufficient brightness in both low and high beam modes, particularly on dark roads; the dealer stated LED bulbs cannot be changed. A separate complaint describes moisture entering a front headlight, causing the low beam, high beam, and turn signal to fail together while driving on the highway.
Failure modes owners describe
Low-beam headlight shadow pattern
Dark shadows or dark spots appear in the low-beam headlight pattern, obscuring portions of the road—particularly the left side of the roadway. Owners describe the shadow as looking like it originates from a tall screw or bolt inside the headlight. The shadow moves and changes intensity as the vehicle goes up/down hills or turns. When high beams are activated, the shadow disappears. Dealer investigation confirms the shadow is visible but dealers state it is part of the headlight construction and cannot be repaired.
When: Occurs during night driving; owners report the issue present from first night drive or early ownership (one owner reported issue at 6/07/23 presentation, another around beginning of June)
Symptoms owners cite: Dark shadows or dark spots in low-beam light pattern; Shadow obscures left side of roadway; Shadow looks like it comes from a tall screw or bolt in headlight; Shadow moves as vehicle goes up/down hills or turns; Distracting and fatiguing to eyes at night; Makes night driving difficult and unsafe; Shadow disappears when high beams are used; Creates a 'line of shadow' about 30 feet ahead in dark conditions
Repairs/costs cited: Dealers have attempted low-beam aiming adjustments, but adjustment increases glare to oncoming drivers. Dealers have stated the shadow is part of headlight construction and cannot be repaired. One owner hit a tire on the interstate due to inability to see it because of shadows; another owner hit a piece of wood on the highway resulting in 2 damaged tires and damage to the ring.
Recalls/TSBs owners mention: Toyota case filed (#2304 11000333) with no reply after 2 months. One dealer told owner 'all 2023 Corollas have this problem.' Another dealer stated the issue is 'normal' and no fix is available. Toyota has stated the blind spot is 'by design.' Dealers refused to address the shadow issue.
Front headlight moisture and electrical failure
Moisture and water entered the front headlight housing, causing the low beam, bright beam, and turn signal on the driver's side front to fail simultaneously.
When: Owner noticed failure while on the highway
Symptoms owners cite: Moisture or water inside front headlight housing; Low beam failed; Bright beam failed; Front driver turn signal (blinker) failed
Insufficient low-beam brightness
One owner reports that low-beam headlights are not bright enough for safe night driving, even on high beam setting. Owner states lights are adequate only in lit urban areas but inadequate on darker freeways and roads.
When: First noticed on initial night drive after purchase
Symptoms owners cite: Low-beam headlights not bright enough; Insufficient brightness on high beams for dark roads; Poor lighting when turning; Inadequate illumination on dark freeways and roads
Repairs/costs cited: Dealer stated that new LED bulbs cannot be changed.
Recalls/TSBs owners mention: Dealer stated the lights are new LED lights and bulbs cannot be changed.
Synthesized from 10 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
When driving at night, there is a shadow in the headlight, that shines onto the road and makes driving at night difficult. This shadow looks like it comes from a tall screw or bolt in both headlights. The lights work correctly, but the shadow causes the driver to have a dark "spot" in the beam of light, which then makes it hard to see clearly while driving in dusk, or darkening circumstances. I…
Moisture and water got into the front head light causing it to go out . The blinker , low light and bright light on front driver went out while I was on the highway.
Had lighting trouble with your 2023 Toyota Corolla?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the lighting problem on the 2023 Toyota Corolla?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $250 and most owners catch it before it causes a breakdown.
At what mileage does the lighting typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $250 for lighting repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to lighting?
No active recalls currently cover lighting issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2023/Toyota/Corolla.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.