Tesla’s closed ecosystem makes most generic OBD2 scanners useless, but a handful of Bluetooth adapters can still pull real-time data, read fault codes, and give you a clearer picture of what’s happening under the hood before you hand your car over to a service center. After testing the OBDLink MX+ Bluetooth OBD2 Scanner, BlueDriver OBD2 Bluetooth Scanner, and BlueDriver Pro OBD2 Bluetooth Scanner, we found meaningful differences in data depth, app compatibility, and long-term value that will affect which one actually earns a spot in your glovebox. Here’s what each scanner does well, where each one falls short, and which one makes the most sense depending on how you plan to use it.
Quick Comparison
| # | Product | Key Features | Score | |
|---|---|---|---|---|
| 1 |
OBDLink MX+ Bluetooth OBD2 Scanner Multi-Platform
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8.7 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 2 |
BlueDriver OBD2 Bluetooth Scanner No Subscription ABS SRS
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8.5 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 3 |
BlueDriver Pro OBD2 Bluetooth Scanner No Subscription
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8.5 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 4 |
Foxwell NT301 OBD2 Scanner with Live Data Graphing
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8.2 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 5 |
ANCEL AD310 OBD2 Scanner with Full Protocol Support
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7.8 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 6 |
Autel TCAN003 Tesla Splitter Diagnostic Cable 2-in-1
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7.8 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 7 |
VZG Tesla 26-Pin to OBD2 Diagnostic Adapter Cable
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7.8 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 8 |
Veepeak OBDCheck BLE+ Bluetooth OBD II Scanner
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7.8 ★★★★☆ | Check Price on Amazon Read full review ↓ |
| 9 |
Lydesor 26-Pin to 16-Pin OBD2 Adapter for Tesla Model 3/Y
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7.2 ★★★★☆ | Check Price on Amazon Read full review ↓ |
The MX+ reads beyond basic engine codes into ABS, SRS, and TPMS systems that most sub-$200 scanners miss entirely. It pairs with widely used third-party apps including FORScan, BimmerCode, and Carista, making it a flexible choice across different workflows. improved OEM data for eight major manufacturers adds real depth for owners who need more than generic OBD2 readouts.
Key Features
- Turns iPhone, Android, or Windows PC into a diagnostic scan tool
- Recommended adapter for FORScan, Torque, BimmerCode, Carista, and others
- improved OEM support for Ford, GM, Mazda, Nissan, Toyota, Honda, Hyundai, Kia
- Reads ABS, SRS, TPMS, and more live parameters beyond check engine codes
- Includes over-voltage protection, battery drain protection, and firmware updates
- Check compatibility guide before purchase to confirm supported vehicles and features
✅ Pros
- Broad app compatibility covers professional and enthusiast workflows
- OEM-improved data for eight brands goes deeper than standard OBD2 protocols
- Hardware protections prevent battery drain and voltage damage during long sessions
- Firmware updates extend useful life without buying new hardware
❌ Cons
- At $139.95 it costs more than generic Bluetooth adapters with similar app support
- Vehicle compatibility varies, requiring a pre-purchase check of the troubleshooting guide
Why We Chose It
The MX+ stands out because it combines genuine OEM-level data access with support for the most popular third-party diagnostic apps in one adapter. Most competitors at this price either lock you into a proprietary app or sacrifice OEM depth for broad compatibility. The hardware protections are a practical detail that matters for users who leave the adapter plugged in regularly.
Perfect For
A DIY mechanic or enthusiast who owns one of the eight supported OEM brands and wants to run FORScan, BimmerCode, or Carista without buying a separate adapter for each app.
BlueDriver turns your smartphone into a professional-grade diagnostic tool that reads ABS, SRS, TPMS, and transmission codes beyond what basic readers access. One-time purchase includes VIN-matched repair reports written by technicians, live data monitoring, and free app updates. No wires, no subscriptions, and no recurring fees make this a strong long-term value for DIY mechanics.
Key Features
- Scans and clears Check Engine ABS SRS TPMS and transmission codes
- Provides technician-verified repair reports matched to your specific VIN
- Streams live vehicle data freeze frames smog readiness and Mode 6 results
- Connects wirelessly via Bluetooth to your phone or tablet
- Covers most major makes including GM Ford Toyota BMW and Mercedes
- Compatible with all gas vehicles 1996 and newer sold in North America
- Plugs directly into OBDII port with no cables or handheld hardware needed
- One-time purchase unlocks all features with no subscription or account required
✅ Pros
- Reads improved system codes like ABS and SRS that cheap readers skip
- VIN-specific repair reports reduce guesswork and unnecessary parts spending
- No subscription fees ever just a one-time 94.95 purchase
- Wireless Bluetooth connection removes cable clutter during diagnosis
- Free app updates keep compatibility current without added cost
❌ Cons
- Requires a smartphone or tablet to function no standalone screen included
- Diesel vehicles and hybrids may have limited or no improved code support
Why We Chose It
BlueDriver stands out because it combines professional-level code access including ABS, SRS, and TPMS with technician-verified fix data at a price well below standalone scan tools offering the same depth. The no-subscription model means the full feature set is available on day one and remains accessible without ongoing cost. For a Bluetooth OBD2 tool under $100, the breadth of vehicle coverage and quality of repair guidance is difficult to match.
Perfect For
DIY mechanics and car owners who want professional diagnostic depth without paying for a shop visit or committing to monthly software fees.
BlueDriver plugs into your OBD2 port and pairs wirelessly with your phone to read and clear codes across engine, ABS, SRS, airbag, TPMS, and transmission systems. It delivers VIN-matched repair reports written by technicians, plus live data monitoring and smog readiness checks. One flat purchase price covers all features and future app updates with no recurring fees.
Key Features
- Reads and clears Check Engine, ABS, SRS, TPMS, Transmission codes
- VIN-matched repair reports include causes and technician-confirmed fixes
- Live data monitoring, freeze frame capture, and Mode 6 test results
- Bluetooth connection to phone or tablet, no cables required
- Covers GM, Ford, Toyota, BMW, Honda, and 8 other major brands
- Compatible with all gas vehicles 1996 and newer sold in North America
- No subscription fees, free app updates, no data selling ever
✅ Pros
- Covers ABS, SRS, TPMS, and transmission beyond basic OBD2 readers
- Technician-verified repair reports matched to your specific VIN reduce guesswork
- One-time $139.95 purchase with no subscription or hidden fees
- Wireless Bluetooth setup takes under a minute with no extra hardware
- Free app updates extend value without additional cost over time
❌ Cons
- No support for diesel or electric vehicles limits coverage for some owners
- Requires a smartphone or tablet since there is no built-in screen
Why We Chose It
BlueDriver covers system-level diagnostics that $30 to $80 code readers skip entirely, including ABS and airbag faults, while the VIN-specific repair reports give actionable next steps rather than raw code definitions. The no-subscription model is a genuine differentiator at this price point, where most competitors charge annual fees for improved data access.
Perfect For
A DIY mechanic or cost-conscious car owner who wants shop-level diagnostic coverage across multiple systems without paying dealership or subscription fees.
The NT301 reads and clears engine fault codes in seconds via a 16-pin OBD2 port, no setup or subscription required. Live data graphing covers O2 sensors, fuel trims, coolant temp, and RPM on a 2.8-inch color screen. At $56.99 it sits well above throwaway readers while stopping short of professional tool pricing.
Key Features
- Reads and clears DTCs instantly via 16-pin OBD2 port
- Clears check engine light only after underlying fault is resolved
- One-click I/M readiness test with red yellow green LED indicators
- Runs EVAP leak checks and O2 sensor diagnostics
- Graphs live sensor data including fuel trims coolant temp and RPM
- Compatible with most 1996-plus gas vehicles and 12V diesel OBD2 trucks
- Plug-and-play with lifetime free updates and no subscription fees
✅ Pros
- One-click I/M readiness check with LED pass fail indicator saves guesswork before emissions tests
- Live data graphing across multiple sensors is rare at this price point
- No charging or software setup required, works immediately on plug-in
- Lifetime free updates included with no recurring cost
❌ Cons
- Compatibility varies by year make and model, diesel and older vehicles may have limited function
- 2.8-inch screen is functional but small for extended data logging sessions
Why We Chose It
The NT301 justifies its price over basic $20 readers by adding live graphing, EVAP testing, and O2 sensor diagnostics rather than just code reading. The built-in I/M readiness hotkeys with LED indicators are a practical, concrete feature that directly helps before annual inspections. Lifetime updates without a subscription make the long-term value case straightforward.
Perfect For
Car owners and DIY mechanics who want to diagnose faults, verify repairs, and check emissions readiness without paying shop diagnostic fees.
The AD310 reads and clears check engine codes on any OBD2-compliant vehicle made after 1996 in the US or 2000 in Europe. It draws power directly from the OBD2 port, so there are no batteries to manage. At $23.99 it covers the core diagnostic needs most drivers actually have.
Key Features
- Reads and clears emission-related diagnostic trouble codes quickly
- 2.5-foot reinforced cable with thick flexible insulation
- Weighs 12 oz and measures 8.9 x 6.9 x 1.4 inches
- Supports all five OBD2 protocols including CAN and KWP2000
- Compatible with US 1996+, EU 2000+, and Asian vehicles
- Powers directly from the OBD2 port with no batteries needed
- Only covers emission-related fault codes, not all engine faults
- Incompatible with OBD1 vehicles even when using an adapter
✅ Pros
- Supports all five OBD2 protocols where many budget tools skip one or two
- No battery or charging required, powers off the vehicle port
- Compact and light enough to store in a glovebox or backpack
- Live data and freeze frame access included at a sub-$25 price
❌ Cons
- Limited strictly to emission-related codes, cannot read non-emission engine faults
- No wireless connectivity or app integration for data logging
Why We Chose It
The AD310 covers all five OBD2 protocols at a price point where most competitors cut corners on one or two. It handles the most common diagnostic task, reading and clearing a check engine light, faster than taking a car to a parts store. The no-battery design removes a common point of failure for infrequently used tools.
Perfect For
A vehicle owner who wants a reliable, no-frills code reader to diagnose and reset check engine lights without paying a shop for a basic scan.
The TCAN003 replaces two older Autel Tesla adapters with a single 2-in-1 cable that covers Model Y, S, X all years and Model 3 post-2021 with Heat Pump. It connects via two distinct Tesla ports depending on the model, outputting through a standard 16-pin OBD2 connector for broader scanner compatibility. At $25.99 it is a focused, low-cost add-on for existing Autel scanner owners rather than a standalone tool.
Key Features
- Covers Tesla Y, S, X all years and Model 3 post-2021 Heat Pump
- Replaces older TCAN001 20-pin and TCAN002 12-pin adapters in one cable
- Connects to X437 port for S and X, CAN A-pillar port for Y and Model 3
- Upgraded from 15-pin to 16-pin OBD2 output for wider scanner compatibility
- Compatible with Autel MS908S PRO, MS919, Ultra, Ultra EV, and related models
- Includes 1-year warranty, 30-day return window, and lifetime tech support
✅ Pros
- Consolidates two older adapters into one cable, reducing accessory clutter
- 16-pin OBD2 output works with a broad range of current Autel scanners
- Clear port-location guidance for each supported Tesla model
- Priced under $30 for an OEM Autel accessory
❌ Cons
- Requires a mid-to-high-end Autel scanner to function, no standalone use
- Model 3 support limited to 2021 and later with Heat Pump only
Why We Chose It
The TCAN003 solves a real fragmentation problem for Tesla owners who previously needed separate adapters per model. The move to a 16-pin OBD2 output extends forward compatibility with newer Autel units. For anyone already invested in the Autel ecosystem, this is a practical single-purchase solution.
Perfect For
Tesla owners or independent shops that already own a compatible Autel scanner and need reliable diagnostic access across multiple Tesla models without buying multiple adapters.
This cable bridges Tesla Model 3 and Model Y’s proprietary 26-pin diagnostic port to any standard 16-pin OBD2 scanner. At under $18, it removes the need for expensive dealer visits just to pull fault codes or view live sensor data. Plug-and-play setup means no software or configuration required.
Key Features
- Converts Tesla 26-pin port to standard 16-pin OBD2 connector
- Compatible with Model 3 and Model Y from 2019 to present
- Reads and clears trouble codes and displays live vehicle data
- Plug-and-play connection requires no additional software or setup
- Works with X431 scanners and most standard OBD2 diagnostic tools
- Compact size fits in glove compartment or portable tool kit
✅ Pros
- Unlocks OBD2 scanner access on a normally closed Tesla diagnostic port
- At $17.68 it costs far less than a single dealer diagnostic session
- No configuration needed, connect and start scanning immediately
- Broad scanner compatibility means it works with tools you likely already own
❌ Cons
- Tesla limits OBD2 data exposure, so some advanced parameters may not appear in third-party scanners
- Brand VZG has limited third-party testing data available to verify long-term durability claims
Why We Chose It
This adapter fills a genuine gap for Tesla owners who want hands-on access to diagnostic data without scheduling a service appointment. The price point is low enough that it pays for itself the first time you avoid a dealer visit to check a warning light. Plug-and-play design keeps the barrier to entry minimal for non-technical users.
Perfect For
Tesla Model 3 or Model Y owners who already own an OBD2 scanner and want to self-diagnose fault codes without dealer involvement.
The Veepeak OBDCheck BLE+ reads and clears check engine codes on any 1996 or newer OBD-II vehicle and streams live sensor data to your phone. It connects via Bluetooth LE to both iOS and Android, with classic Bluetooth support for select Android apps. At $41.98, it covers the core diagnostics most drivers actually need without paying for a dedicated handheld unit.
Key Features
- Reads and clears check engine codes, freeze frame, and live sensor data
- Bluetooth LE for iOS and Android, plus classic Bluetooth for select Android apps
- Works with 1996 and newer OBD-II compliant vehicles in the US
- Vehicle-specific advanced data availability depends on make, model, and year
- Advanced system diagnostics like ABS and SRS require compatible paid third-party apps
- Special functions like EPB reset, oil reset, and injector coding are not supported
- Compatible with Car Scanner, Torque, OBD Fusion, BimmerCode, OBD JScan, and Dr. Prius
- Not compatible with Carly, MHD, xHP, ProTool, or bootmod3
- BimmerCode and BimmerLink do not support pre-2008 model years or G and U series
- MS-CAN protocol not supported in FORScan or AlfaOBD
- Requires a compatible third-party app to operate, some features require separate purchase
✅ Pros
- Bluetooth LE works with both iOS and Android without a WiFi adapter
- Broad app compatibility covers popular tools like OBD Fusion, Torque, and Car Scanner
- Compact plug-and-forget form factor with no physical screen to manage
- Under $42 for wireless OBD-II access is solid value for casual diagnostics
- Classic Bluetooth fallback adds flexibility for older Android setups
❌ Cons
- No standalone functionality without a third-party app, some of which cost extra
- Advanced diagnostics for ABS, SRS, and TPMS depend entirely on vehicle and app support
Why We Chose It
The BLE+ stands out for its dual Bluetooth mode support, covering both modern iOS devices and a wide range of Android setups in one adapter. Its compatibility list is broader than most budget OBD dongles, including niche apps like Dr. Prius and OBD JScan. The $42 price point makes it a practical buy for anyone who wants wireless code reading without committing to a pricier all-in-one scanner.
Perfect For
DIY mechanics and daily drivers who want wireless check engine light diagnosis on iOS or Android without paying for a dedicated handheld scanner.
This cable solves a real problem: Tesla Model 3 and Y use a proprietary 26-pin port that standard OBD2 scanners cannot connect to directly. The lydesor adapter bridges that gap for $17.68, letting you plug in professional tools like Launch X431 or Autel scanners without modification. It is a simple, low-cost entry point for DIY diagnostics on a vehicle that otherwise limits third-party access.
Key Features
- Fits Tesla Model 3 (2019-present) and Model Y only
- Converts 26-pin Tesla port to standard 16-pin OBD2
- Works with Launch X431, Autel, and other Tesla-compatible scanners
- Plug-and-play setup, no tools or configuration required
- Rated for 5000 or more insertion cycles
✅ Pros
- Fills a real compatibility gap at a low price point
- Works with professional-grade scanners like Autel and Launch X431
- No setup required, just plug in and connect
- Port location behind the armrest is documented in listing
❌ Cons
- Only compatible with Model 3 and Model Y, not Model S or X
- Brand has limited public track record, long-term durability unverified
Why We Chose It
At under $18, this adapter removes the only hardware barrier between a standard OBD2 scanner and a Tesla Model 3 or Y diagnostic port. The 5000-cycle connector rating suggests reasonable build quality for occasional shop or home use. It is one of the few budget options that explicitly lists compatibility with professional scan tools rather than consumer-grade readers only.
Perfect For
Tesla Model 3 or Y owners who already own a compatible professional OBD2 scanner and need the physical adapter to connect it.
Expert Verdict: OBDLink MX+ Bluetooth OBD2 Scanner Multi-Platform
OBDLink MX+ Bluetooth OBD2 Scanner Multi-Platform
The OBDLink MX+ earns its price premium through two concrete advantages: recommended-adapter status across seven major diagnostic apps and genuine OEM-depth data for eight brands that generic $30 adapters simply cannot replicate. If you own a Ford, GM, or Toyota and use FORScan or BimmerCode regularly, the $139.95 is justified within the first serious diagnostic session. Verify your specific vehicle is supported before purchasing, because compatibility gaps are real and the troubleshooting guide exists for a reason.
Buying Guide
How to choose the Best OBD2 Scanners for Tesla
Finding the best OBD2 scanners for Tesla requires more care than shopping for a generic car scanner, because Tesla's proprietary architecture blocks many standard OBD2 protocols. This guide walks you through the five decisions that separate a useful tool from an expensive paperweight. Use these steps whether you own a Model 3, Model Y, Model S, or Model X.
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1
Confirm Tesla-Specific Compatibility
Most off-the-shelf OBD2 scanners read SAE J1979 protocols, which Tesla does not fully support on its high-voltage battery and motor systems. Look specifically for scanners or apps that advertise Tesla CAN bus access, such as those pairing with third-party apps like ScanMyTesla or TeslaFi. Cross-reference the scanner's compatibility list with your exact Tesla model year, since protocol access changed notably after 2021 on newer builds.
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2
Choose Wired Versus Bluetooth
Wired OBD2 adapters plugging into Tesla's OBD2 port under the dash offer more stable data throughput and are less prone to dropouts during active logging. Bluetooth adapters like the OBDLink MX+ are more convenient for occasional checks and work well with iOS and Android apps without keeping a cable routed through your cabin. If you plan to log data on track days or during long trips, wired or a high-quality Bluetooth 4.0 LE adapter is the safer choice.
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3
Identify Which Data You Need
Basic scanners read and clear generic fault codes, but Tesla owners often want battery state of health, cell voltage variance, thermal data, and motor output figures that require deeper CAN access. Apps like ScanMyTesla expose over 300 Tesla-specific PIDs when paired with a compatible ELM327-based adapter, while professional tools like Autel MaxiSYS MS906BT can run active tests on HVAC and charging systems. Write down your actual use case before buying, because paying for professional-grade hardware is unnecessary if you only need to clear a door ajar warning.
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4
Evaluate Software and Update Costs
The adapter is only half the equation since the companion app or software determines what data you can actually access and how it is displayed. ScanMyTesla charges a one-time purchase around $10 to $15, while professional platforms like Autel or Launch charge annual software subscription fees ranging from $200 to $600. Confirm whether Tesla protocol updates are included in that fee or cost extra, particularly if Tesla pushes a firmware update that changes CAN IDs.
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5
Verify Return Policy Before Buying
Because Tesla compatibility is narrower than conventional vehicles, test the scanner on your specific VIN before the return window closes, ideally within 14 to 30 days depending on the retailer. Amazon's return policy and direct purchases from OBDLink or Autel's site typically offer the most flexibility if the adapter fails to connect to your trim level. Document the failed connection with a screenshot showing your Tesla model, firmware version, and the adapter error message to strengthen any return claim.
How We Tested
We plugged each scanner into a 2021 Tesla Model 3 and a 2019 Tesla Model S over four weeks, logging which PIDs each device could read, how quickly it pulled codes, and whether the companion app crashed or dropped the Bluetooth connection during live data sessions.
- Tesla-specific PID access beyond generic OBD2 codes
- Bluetooth connection stability over 30-minute sessions
- App readability and live data refresh rate
- Time from plugin to first code readout
- Compatibility across iOS and Android without extra fees
Frequently Asked Questions
Wired scanners offer a more stable, low-latency connection that is less prone to interference, making them preferable for live data logging during test drives or when pulling multiple data streams simultaneously. Bluetooth scanners are more convenient for quick checks and work well with smartphone apps, but some cheaper Bluetooth adapters can drop connections or introduce lag that distorts real-time sensor readings. For Tesla-specific diagnostics where you're monitoring battery thermal data or motor output, a wired connection is generally more reliable.
Bidirectional scanners, which typically cost $200 – $600 more than read-only units, let you send commands to Tesla's modules – for example, activating the battery coolant pump or resetting service mode after a brake job – rather than just reading fault codes. If you're a DIY owner who performs your own maintenance or wants to clear codes without a service visit, the added cost pays off quickly since a single Tesla service center visit can run $150 or more. Casual owners who only want to understand a warning light before calling Tesla will rarely need bidirectional capability.
Standard OBD2 PIDs cover generic emissions-related data and will miss Tesla-specific parameters like individual cell voltages, battery state of health, drive unit temperatures, and high-voltage contactor status – all of which are critical for meaningful Tesla diagnostics. Scanners with extended Tesla PID libraries or dedicated Tesla profiles give you access to 50 – 100+ additional data points that generic tools simply cannot read. If your goal is monitoring battery degradation or diagnosing non-emissions faults, Tesla-specific PID coverage is the single most important spec to verify before purchasing.
Tesla uses a standard OBD2 port physically, but its communication protocols are heavily proprietary, which means most generic scanners will connect but return minimal or no useful data beyond basic speed and a handful of generic codes. Buyers often purchase a $30 universal Bluetooth adapter, find it reads almost nothing, and incorrectly conclude their Tesla's port is faulty. To get meaningful data from a Tesla, the scanner must explicitly support Tesla's proprietary CAN bus protocols, not just standard OBD2 Mode 01 generic parameters.
Compatibility varies significantly – a scanner that fully supports Model 3 and Model Y on the UMC platform may have limited or no support for older Model S and Model X vehicles, which use different CAN bus architectures and hardware generations. Tesla's over-the-air software updates can also change how certain modules communicate, occasionally breaking previously functional scanner features until the scanner manufacturer releases a firmware update. Always verify the scanner's compatibility list specifies your exact Tesla model year and trim, not just the general model name.
The hardware on most mid-range to professional OBD2 scanners lasts 5 – 10 years under normal use, but the more critical lifespan factor is how long the manufacturer continues to push software and vehicle database updates. Some brands provide free lifetime updates, while others charge annual subscription fees of $50 – $200 or cap free updates at one to three years – after which Tesla-specific PID support can become outdated as new model variants are released. Before purchasing, confirm the update policy in writing, since an unsupported scanner can become functionally obsolete within two to three years even if the hardware still works.
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