Certain Standard Range Model 3 and Model Y vehicles that received the Lithium Iron Phosphate (LFP) HV Battery Retrofit did not receive the 2nd row floor reinforcement plate, which provides additional protection for the LFP HV Battery.
full bulletin at NHTSA ↗2018 Tesla Model 3 body problems
severe 40 complaints filed with NHTSA · avg repair $1,500 · see body across all vehicles →
Failure mileage
Complaints
40
Recalls
0
Avg fix
$1,500
8crashes
7injuries
What stands out
Of the 6 model years of Tesla Model 3 we track for body problems, this one carries the most owner complaints on file — 40.
Owners have filed 40 body complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering body 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.
Certain Model 3 and Model Y vehicles may need a different Occupant Classification System (OCS) installed in the front passenger seat before servicing its subcomponents.
full bulletin at NHTSA ↗Certain Model 3 and Model Y vehicles may need a different Occupant Classification System (OCS) installed in the front passenger seat before servicing its subcomponents.
full bulletin at NHTSA ↗Certain Model 3 and Model Y vehicles may need a different Occupant Classification System (OCS) installed in the front passenger seat before servicing its subcomponents.
full bulletin at NHTSA ↗On some Model 3 vehicles, water may have leaked inside the trunk area through the trunk lid.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners report a wide range of body and structural issues affecting the 2018 Tesla Model 3. The most frequent complaints involve door handle chrome coating peeling away and exposing sharp metallic edges that cause finger lacerations—a problem Tesla acknowledges but charges $270–$350 to fix, citing car wash detergent as the cause. Multiple owners have required urgent care for cuts; the issue appears concentrated on rear driver-side handles.
Undercarriage components are a major recurring problem. Aero trays, bumpers, and protective panels separate, rip apart, or fall off during normal highway driving in rain or standing water. Despite Service Bulletin SB-19-12-001 documenting this defect in 2017–2018 Model 3s, Tesla refuses to honor the bulletin and charges $441 for replacement. Owners warn these panels can become road debris and cause accidents for vehicles behind.
Fastener security is a persistent issue: control arm bolts detached during low-speed parking maneuvers; rear subframe bolts fell out with no threadlocker applied; roof rack clips fractured and recurred after replacement. The front trunk (frunk) electronic latch actuator failed twice on one owner within three months with no mechanical backup available.
Rear doors present multiple hazards. The design lacks manual emergency releases—rear passengers would be trapped without electrical power or if front doors were damaged. Some rear doors fail to open due to actuator or panel misalignment issues.
Sudden uncontrolled acceleration is reported in multiple scenarios: during Park Assist activation on a new vehicle; in parking lots; while turning into driveways; and while parking with foot on brake. Owners dispute Tesla's explanations and report brake input had no effect.
Automated systems showed concerning failures: Autopilot skidded uncontrollably in heavy rain with road surface changes and accelerated unexpectedly; AEB did not activate in a 12 mph collision scenario; wiper controls require dangerous screen interactions. Windshields have cracked spontaneously without impact.
Same Tesla Model 3 body reports on nearby years: 2019 · 2020 · 2021
Failure modes owners describe
Uncontrolled reverse acceleration (Park Assist)
Vehicle accelerates uncontrollably in reverse during Park Assist activation, despite blue start button indicating readiness. Owner reports Tesla blamed 'creep function' instead of acknowledging Park Assist malfunction.
When: New vehicle, 11/30/2018
Symptoms owners cite: Uncontrolled reverse acceleration; Vehicle zoomed backward at high speed despite pressing brake; Blue start button showed function ready but vehicle behavior dangerous
Recalls/TSBs owners mention: Tesla denied Park Assist failure; claimed 'creep function' was activated after 4-week engineering review
Door handle chrome coating peeling
Chrome coating on exterior door handles peels away from plastic base, exposing sharp metallic edges that cut fingers when touching or opening doors. Multiple owners report same issue and bleeding injuries. Tesla acknowledges problem but charges $270–$350 per handle replacement, not covered by warranty.
When: 2018 model year, affecting early ownership
Symptoms owners cite: Chrome coating peeling on door handles; Sharp metallic edges after peeling; Cuts and bleeding injuries to fingers and hands; Handle unable to retract completely in cold weather
Repairs/costs cited: $270–$350 per handle replacement; owner out of pocket
Recalls/TSBs owners mention: Tesla denies warranty coverage; blamed car wash detergent; charges customer for replacement
Front undercarriage aero tray separation
Front and rear undercarriage aero tray/shield separates and tears apart during normal highway driving in rain or standing water. Multiple owners report issue affects 2017–2018 Model 3s. Tesla Service Bulletin SB-19-12-001 exists but Tesla refuses to honor it; charges $441 for replacement despite known defect.
When: During normal freeway driving in rain; early in ownership (~39,000–65 mph incidents)
Symptoms owners cite: Undercarriage tray begins dragging on freeway; Tray rips and tears apart; No impact or objects hit; occurs during rain exposure
Repairs/costs cited: $441 for both front and rear aero tray replacement; owner out of pocket despite Service Bulletin
Recalls/TSBs owners mention: Service Bulletin SB-19-12-001 exists for 2017–2018 Model 3 aero tray defect; Tesla refuses to honor it and charges customer
Roof rack clip fracture (recurring)
Two of four roof rack clips fractured, with potential for roof rack to detach and fall onto other vehicles. Tesla Service Center provided repair instructions and replaced clips, but failure recurred. Recurrence suggests design defect.
When: Unknown mileage; recurrence after repair
Symptoms owners cite: Two of four roof rack clips fractured; Potential for roof rack detachment; Recurrence after Tesla replacement
Repairs/costs cited: Tesla replaced clips once; failure recurred
Recalls/TSBs owners mention: Tesla Service Center referenced repair instruction for roof rack improvement but issue recurred; status unknown
Sudden uncontrolled acceleration (pedal malfunction)
Vehicle accelerates suddenly and uncontrollably in parking lot at low speed despite no pedal input. Driver loses brake control; vehicle crashes through fence and across front yards of two houses before hitting concrete barrier. Severe damage to body, front end, and battery system; near-miss pedestrian injuries.
When: Parking lot incident below 10 mph
Symptoms owners cite: Sudden acceleration at low speed; No force applied to accelerator pedal; Loss of brake control; Vehicle continued accelerating uncontrollably
Repairs/costs cited: Vehicle towed by insurance for evaluation; severe damage to front body, wheels, underbody, battery system; fluids leaked
Rear bumper and hubcap detachment
Rear bumper and rear wheel hubcap fell off while driving in rain at 25 mph. Tesla claimed 'act of God' and refused warranty coverage despite vehicle being newly purchased (July 2018). Suspected inferior part quality.
When: Shortly after July 2018 purchase; during rain at 25 mph
Symptoms owners cite: Rear bumper fell off; Rear wheel hubcap fell off; No external impact or contact
Repairs/costs cited: Not repaired; Tesla refused warranty coverage and charged for towing to certified collision center
Recalls/TSBs owners mention: Tesla denied warranty claim, citing 'act of God'; refused to cover repairs
Front trunk (frunk) latch actuator failure
Front trunk electronic latch actuator failed to open while parked. No mechanical override available to owner. Tesla replaced actuator (part 1098789-00-C) but same failure recurred within 3 months. No redundant or manual opening system.
When: October 31, 2018 (first failure); January 26, 2019 (recurrence)
Symptoms owners cite: Frunk failed to open while parked; No mechanical override accessible to owner; Same failure recurred 3 months after replacement
Repairs/costs cited: M3 frunk latch actuator primary release (1098789-00-C) replaced; 3-week service backlog before second repair
Underbody shield/aero panel detachment and separation
Underbody composite shield, aero panel, or fiber panel separates, deforms when wet, and rips apart during normal highway driving. Material appears inadequate for its location and role. Multiple owners report issue; can become flying debris or road hazard if it separates completely. Rain and water exposure trigger failures.
When: Highway driving at 60–65 mph in rain; affects multiple owners throughout ownership
Symptoms owners cite: Underbody shield detaches or separates; Composite material rips and tears; Panel deforms when wet; No external impact; occurs during rain/puddle driving
Repairs/costs cited: Not specified; owner photos taken; part inadequately protects undercarriage
Control arm bolt/nut detachment (suspension)
While pulling out of parking lot, multiple nuts and bolts securing the vehicle control arm fell to ground and control arm disengaged from shafts. Tesla claimed impact or lack of wheel alignment caused failure and charged $3,561+ for repair. Owner disputes blame.
When: Parking lot during low-speed steering maneuver
Symptoms owners cite: Nuts and bolts securing control arm fell out; Control arm disengaged from shafts; Could have caused loss of vehicle control at highway speed
Repairs/costs cited: $3,561+ repair cost to reattach control arm and reinstall fasteners
Recalls/TSBs owners mention: Tesla blamed high impact or lack of wheel alignment; charged customer for repair
Rear trunk lid spontaneous opening while driving
Rear trunk lid popped open by itself while driving at speed with no driver input. Trunk cannot be opened by occupants while vehicle is in motion (selection unavailable on screen). No mechanical release. Opening caused cruise control to become unavailable.
When: During highway driving
Symptoms owners cite: Trunk opened spontaneously while driving; No driver input or action; No mechanical release available; Cruise control became unavailable after trunk opened
Fractured vehicle frame
While driving at approximately 60 mph, vehicle became difficult to maneuver. Inspection revealed fractured frame underneath vehicle. No warning lights illuminated. Vehicle not repaired; manufacturer not notified.
When: At approximately 89,700 miles
Symptoms owners cite: Vehicle difficult to maneuver; No warning lights; Frame fractured
Repairs/costs cited: Not repaired
Rear subframe bolt looseness/detachment
Rear subframe bolt fell out while driving, creating 3-inch gap between subframe and mounting plate. No threadlocker (Loctite) applied to bolt. No warning provided; only metal clanking noise alerted driver. Vehicle became dangerous at speed.
When: During highway driving
Symptoms owners cite: Subframe bolt fell out; 3-inch gap between subframe and mounting plate; Rear end shaking and loose control at speed; Metal clanking noise
Repairs/costs cited: Owner re-torqued bolt using online service manual; no Loctite found on bolt; Tesla refused to provide torque specifications twice
Recalls/TSBs owners mention: Tesla refused to provide torque specifications twice
Frunk hood/bonnet detachment and windshield breakage
After Tesla technician opened and closed frunk during service, frunk hood flew open within 10 miles of leaving dealership and struck windshield, breaking it. Possible improper closure or latch failure after service.
When: Within 10 miles of dealership service appointment
Symptoms owners cite: Frunk hood flew open while driving; Frunk hood struck and broke windshield
Repairs/costs cited: Windshield broken; frunk hood damaged
Rear bumper forcible ripping and panel damage
Rear bumper cover forcibly ripped off while driving through minimal standing water at low city speed, tearing brackets, undercarriage, and wheel-well panels. Indicates inadequate fastening or design for water exposure.
When: City driving through minimal standing water at slow speed
Symptoms owners cite: Bumper cover ripped off; Undercarriage panels torn; Wheel-well panels damaged; Brackets torn by bumper separation
Sudden acceleration while parking (pedal/shift malfunction)
Vehicle lurched forward suddenly while parked with foot on brake, striking two parked cars in front. No driver input; vehicle moved forward on its own, causing damage to multiple vehicles.
When: While parking
Symptoms owners cite: Vehicle lunged forward with foot on brake; No driver input; Struck two parked vehicles in front
Repairs/costs cited: Damage to own vehicle and two parked cars
Windshield spontaneous cracking
Front windshield developed propagating crack starting from upper right side extending downward, without any external impact or assault. Owner finds issue common among Tesla vehicles online. Suspects glass too thin or defective, unable to handle frame flex.
When: While driving, no external impact
Symptoms owners cite: Crack started on upper right side of windshield; Crack extended down and toward driver side; No external impact or assault; Spontaneous failure
Door locking malfunction (random lock-out)
Vehicle randomly locks various doors and prevents opening from outside. Doors only become usable after being opened from inside first, then external handle works. Affects front and rear passenger doors and rear driver door.
When: Intermittent throughout ownership
Symptoms owners cite: Doors randomly lock; Doors cannot be opened from outside; Door must be opened from inside first; Then external handle becomes functional
Vehicle movement with door open
Vehicle moved backward in gear while rear right side door was open and unlatched, causing damage to adjacent parked vehicle. Vehicle allowed to move forward or backward with door remaining open, creating safety hazard.
When: During reverse gear with door open
Symptoms owners cite: Vehicle moved in gear with door open and unlatched; No automatic prevention of movement with open door
Repairs/costs cited: Collision damage to adjacent parked vehicle
Sudden violent acceleration in driveway
Vehicle accelerated suddenly and violently while turning into driveway to park in garage, crashing into front stone wall of house. Significant damage to front right side of vehicle and house structure.
When: During driveway parking maneuver
Symptoms owners cite: Sudden violent acceleration; No driver input; Crashed into stone wall
Repairs/costs cited: Significant damage to front right side of vehicle; stone wall damaged
Rear door manual release absence (emergency egress hazard)
Rear doors lack manual cable or mechanical release mechanisms. Rear passengers—especially children—would be trapped in event of fire or crash disabling electrical power or front doors. Front doors have emergency release latches; rear doors do not. Tesla addressed this in later models but offers no retrofit or upgrade for 2018 models.
When: Design feature (or absence thereof) present from new
Symptoms owners cite: No manual release on rear doors; Passengers unable to exit if power lost; Passengers unable to exit if front doors damaged/inaccessible; Fire egress severely compromised; Children unable to self-rescue
Recalls/TSBs owners mention: Tesla corrected in later models; no response to retrofit request for 2018 models
Rear door opening failure (electrical/mechanical)
Rear doors fail to open due to door panel misalignment or door actuator failure. Doors feel like they are opening but remain stuck. Passengers unable to exit vehicle. Combined with lack of manual release, creates entrapment hazard.
When: Intermittent throughout ownership
Symptoms owners cite: Rear doors fail to open; Door panel alignment issues; Actuator failure; Door feels like opening but remains stuck
Autopilot/Assisted Driving malfunction—sudden acceleration
While Park Assist/Auto-Park was engaged on new vehicle, car reversed uncontrollably at high speed despite brake input, hitting parked car. Tesla initially blamed 'creep function' instead of acknowledging Park Assist defect. Separate incident: Autopilot unable to detect large merging vehicles, causing acceleration into cement truck ($8k damage); no Tesla response.
When: New vehicle (11/30/2018); separate incident with merging truck
Symptoms owners cite: Uncontrolled reverse acceleration during Park Assist; Brake ineffective during acceleration; Autopilot accelerates into lane-merging large vehicles; Autopilot sees gap and accelerates instead of braking
Repairs/costs cited: Collision damage to two vehicles
Recalls/TSBs owners mention: Tesla denied Park Assist issue; blamed creep function; no response to cement truck collision report
Autopilot handling in rain/hydroplaning
In heavy rain and hydroplaning conditions at 70 mph on Autopilot, vehicle skidded and snaked uncontrollably 15 times before driver regained control. Road surface changed from asphalt to concrete; vehicle could not adapt. Vehicle also accelerated on its own after halting, causing additional skidding. Automated wipers too slow; manual wiper adjustment requires 3–4 screen swipes, creating dangerous visibility delays during critical moments.
When: Highway driving in heavy rain at 70 mph on Autopilot
Symptoms owners cite: Uncontrollable skidding and hydroplaning (15 snakes); Unable to handle asphalt-to-concrete road transition; Spontaneous acceleration after halting; Automated wipers inadequate in heavy rain; Slow manual wiper control (3–4 swipes required)
Automatic emergency braking (AEB) unreliable at low speeds
Automatic emergency braking system failed to function at 12 mph when stationary vehicle in front was clearly visible. No alerts or braking attempt were made, resulting in rear-end collision and front-end damage. Owner reports loss of confidence in system reliability.
When: Low-speed (12 mph) following scenario
Symptoms owners cite: AEB did not activate at 12 mph; No collision alerts; No braking attempt; Rear-end collision occurred
Repairs/costs cited: Front-end collision damage
Synthesized from 40 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
My Tesla model 3 was so new that didn't even have the license plate yet. I've done self-park quite a few times, and even went to the sales center to confirm the way to engage self park. When the vehicle sense the space and you go reverse, the blue start button will be on so you can press and let the auto self park. Sadly, the self park caused the accident on 11/30/18 when I was on lyon street…
Had body trouble with your 2018 Tesla Model 3?
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 body problem on the 2018 Tesla Model 3?
It's a meaningful issue. 40 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,500.
At what mileage does the body typically fail?
Across the 17 complaints that reported odometer mileage, most body failures cluster between 5,400 and 27,241 miles, with the median around 15,000. A quarter of owners report trouble before 5,400; a quarter make it past 27,241. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $1,500 for body 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 body?
No active recalls currently cover body 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/2018/Tesla/Model 3.
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.