The Best GM Tech 2 Scanner Reviews 2021

After hours of research and comparisons of all GM tech 2 scanner on the market, I found the best GM tech 2 scanners of 2021 from Amazon, HomeDepot, Walmart, eBay…

GM tech 2 is the newest tool for GM car diagnostic. With the latest version of this tool, you can easily diagnose and repair GM cars and light trucks from 1996 onward (including the 1996 & 2004 model year domestic and imported vehicles). This tool can provide all the information you need, including: engine codes, vehicle speed, engine coolant temperature, fuel pressure, fuel trim, short term fuel trim, long term fuel trim, oxygen sensor voltages, exhaust gas temperature, oxygen sensor operation, camshaft and crankshaft position, knock sensor operation, and engine run time. The GM tech 2 scanner is the best GM diagnostic tool for you to use to troubleshoot your car.

Here are the Top Ten GM tech 2 scanner I’ve found so far

SaleBestseller No. 1
FOXWELL NT510 Elite Obd2 Car Code Reader Vehicle Diagnostic Scan Tool All Function Scanner for Buick/Chevrolet/Cadillac/GMC Reset with EPB SAS ABS Oil EPB[New Version]
  • 🏆 MADE FOR GM VEHICLES ▶ Foxwell nt510 elite gm tech 2 scanner is especially designed for GM cars from older years to 2020(not all 2020 cars are included), such as Alpheon, Cadillac, Chevrolet Truck, GMC Truck, Buick, Silverado and Holden, which offers you another choice for your GM. The obd scan tool also gives you a comprehensive OBD 10 modes diagnosis on global EOBD/OBDI/OBDII vehicles -- reads and clears codes, turns off MILs, requests and records live sensor data and freeze frame, etc.
  • 🌵 POWERFUL ALL-SYSTEM FUNCTIONS ▶ The professional diagnostic tool named nt510 elite, allows you to check electronic control systems(engine electronic control system, chassis integrated control system, body electronic safety system, information communication system), to do service and maintenance(ABS, SAS, DPF, EPB, TPMS, oil service reset), bidirectional test is also available(adaptation, active test, coding/programming). Key functions are also included.
  • ⛄ GREAT CHOICE FOR CAR DIAGNOSIS ▶ Ergonomic design and ruggedly built are for both shop and road tests. Whether you own your personal mechanic shop or you are a private owner, you’ll fall in love instantly with the classic scanner. Its pocket-size dimensions are perfect for allowing diagnostic tests inside or outside of the car. Multilingual menu options, 2.8'' TFT color screen and the clear menu make it easy to operate.
  • 🎁 UPGRADED VERSION ▶ Basic on customers’ feedback and suggestions, Foxwell has been spending 5 years on optimizing nt510, now, nt510 elite comes to you! This car code reader has more professional functions and is compatible with more latest cars than nt510/nt520, it has the same features as nt530, the response and operating speed increased by 60% at the same time. With this odb2 scanner, you’ll definitely enjoy testing cars. It can be used directly out of the box.
  • 🎊 CUSTOMER IS EVETHING ▶ We offer all of our customers one-year return and refund, two-year product service, as well as lifetime free update(windows/xp system are compatible, but ios system is not allowed) to get more functions and car models. We also designed a new module named Repair Information on this diagnostic tool, which will give our users some helpful information for reference while doing maintenance. Please DO choose Foxassist from to do registration and update.
Bestseller No. 2
thinkcar OBD2 Scanner for GM Thinkscan Code Reader, Full Systems Automotive Code Scanner Diagnostic Tool for GMC Chevrolet Buick Cadillac Opel w/ABS Brake Sensor Reset Oil Light SAS ETS Reset
  • 【2020 LAUNCH NEW SERIES For Buick/Chevrolet/Cadillac/GMC】 ThinkScan GM OBD2 scanner is a new revolution with wider compatibility for GM group. Covers most GM vehicles after 1996 and fits for all OBD2 protocol 12v vehicles. Advanced 3.5” TFT LCD screen with unique shortcut key for reading DTC, erasing codes, I/M readiness and DTC cause analyses. ➤(Note: Please confirm the compatibility with us before purchase.)
  • 【10 MODES OBD2 FUNCTIONS】Also supports full OBD2 functions to read & clear the error codes, show Live Data in graph, On-Board monitor test(mode 6), EVAP test (mode 8), O2 sensor test, I/M Readiness, vehicle information, DTC Lookup and etc. Point you in the direction of where the problem was and provide you definitions with DTC library.
  • 【DIAGNOSE ALL GM SYSTEMS】 Professional gm scan tool is able to read and clear for full systems such as Engine, HVAC(air conditioner), Transmission, ABS, SRS, TPMS, ECM, DME/DDE, EGS, CAS, CBS, ADS, Battery, Headlight, Radio, Video, Security etc. Show you the DTC status with LED notification lights and turn off the warning light after repair or maintenance.
  • 【PERFORM RESET FUNCTIONS】 This gmc scanner will reset partial parameters’ status after repair and maintenance. Such as Brake Services/Electronic Braking Pad or Sensor Reset), Oil Lamp Service Reset, Service Interval Reset, SAS(Steering Angle Sensor) Reset, Diesel-Particulate-Filter Regeneration Control System, ETS(Electronic Throttle Control system) reset.
  • 【5-YEAR WARRANTY & LIFETIME FREE UPDATE via MEMORY CARD】 Tips: If you met issues on update, please contact us. This obd2 scanner for gm shows four live sensors data in one graph simultaneously. Record diagnostic data also can be printed for more intuitive view. Supports English, French, Spanish, Germany, Italian, Russian, Portuguese and Japanese multiple languages change.
Bestseller No. 3
LAUNCH OBD2 Scanner CRP123 - 2021 Model Engine/ABS/SRS/Transmission Diagnostic Scan Tool SRS Code Reader,Free Update
  • 1⃣【 Read & Clear/Reset Engine/ABS/SRS/Transmission Diagnostic Scan Tool 】LAUNCH CRP123 OBD2 Scanner can test Engine, Transmission, ABS and Airbag four systems, also reads and resets code, displays data stream graphic, stores and playbacks dynamic data stream,helps to quick analysis and diagnosis.
  • 2⃣【 Error Fault Code Reader 】Except the full 10 modes OBD2 diagnostic functions like, retrieving I/M readiness, Freeze Frame Data, Read Dynamic Data stream and Vehicle Information, O2 Sensor Test, EVAP Test of Fuel Tank System (Mode 8) and Advanced On-board Monitoring (Mode 6), launch crp123 obd2 scanner can not only reveal what error codes your car is producing, but also erase your vehicle’s check engine light after problem fixed, the DTC help and explanation also tell you the exact problem.
  • ⃣【 Live Data Graphing + Read/Record/Playback Data stream + Print diagnostic data 】※Live Data Graphing ,more intuitive to know your vehicle’s problem . ※ Large size Color Screen ;※ Print Function:Print the diagnose result easily; ※ with user manual and register & update tutorial video uploaded in the link by us, you can Look up it anytime by ONE-CLICK.
  • 👉👉【We Always Got your BACK ! Better Quality than Snap on Scanner ! 】This original Launch scanner is backed up by Launch official after-sale services with 5-year warranty, available 60-days return & replacement policy, and 24/7 thoughtful support. We, the authorized Launch seller, provide you with 2021 newest original Launch CRP123 with reliable quality. (
Bestseller No. 4
VXDIAG VCX Nano Diagnostic Programming System Compatible for GM/Opel
  • VXDIAG VCX NANO Box is PC-to-vehicle interface compatible with multiple software applications, minimizing your investment in multiple brand-specific diagnostic interfaces. We recommend you use official software, if not you can contact us vor trial version program
  • VXDIAG VCX Nano for GM/OPEL compatible with GDS and Tech2win software, support for GM/OPEL Diagnose and programming,for programming function, you would need buy software subscription online
  • Fully compatible with SAE-J2534-1 & SAE-J2534-2; Quick access to vehicle data for maintenance or management reports; Support all current and most legacy vehicle protocols: CAN, UART, KW2000, Class2, GM LAN, etc.
  • About Software: Our hardware is compatible with original software and for SPS programming online you need purchase subscription online.(Please download the latest vxmanager from vxdiag official website. Use new vxmanager to update firmware and driver and then update your device authorization.) Please do use WIN7 32Bit for Tech2win software.
  • Installation Tips: Pls turn off anti-virus software before install , make sure your computer at least 4GB.Tech2win software only installed on 32bit computer and on physical system. GDS software need install on 64bit computer and use vmware machine. (Note:Please follow the video step by step installation, don't install automatically) . If the package you received CD not working, pls contact us for software link.For any technical problem,pls contact us we have engineer can assist you online.
Bestseller No. 5
VXDIAG VCX Nano for GM/OPEL GDS2 Diagnostic Tool-ECU/PCM Vehicle Programming Vehicle Interface scanning -GM Tech 2 Scanner
  • 【Super compatibility】Compatible with applications that diagnose engines, transmissions, ABS, instrument panels and more. Mixed fleet capabilities with broad protocol support.
  • 【Quick & Easy Operation】Quick access to vehicle data for maintenance or management reports. Quickly attaches to vehicle's diagnostic connector and can be used with desktop PC or laptop.
  • 【For GM/OPEL FEATURES】VXDIAG VCX NANO Fully compatible with SAE-J2534-1 & SAE-J2534-2. Can support USB vehicle-to-PC connectivity. Supports Windows XP.
  • 【For GM/OPEL FEATURES 2】VXDIAG VCX NANO All current and most legacy vehicle protocols: CAN, UART, KW2000, Class2, GM LAN, etc. VXDIAG VCX NANO have CE and FCC compliance for hardware and Firmware Updatable.
  • 【New Vehicles Model list 】VCX Nano Prime GM KIT is the only full-spectrum diagnostic and reprogramming tool capable of servicing new Delta and Epsilon vehicles (with auxiliary CAN bus that cannot be serviced by Tech2).
SaleBestseller No. 7
FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
  • 😀【Vehicle CEL Doctor】The obd2 scanner can quickly help you read DTCs (engine fault codes), locate bad O2 sensor, access to emissions readiness status, turn off check engine light(CEL) or MIL(Malfunction Indicator Lamp) , reset monitor, read enhanced data and retrieve VIN of your vehicle.
  • 😀【Accuracy & Streams】Live data in both graph and text forms. Accurately read vehicle error codes for most Worldwide cars, SUVs, light truck and 12V diesels equipped with Obd2. Besides, the car scanner also shows live vehicle sensors data in text and graph format and allows you to focus on any suspicious or symptom-specific data parameters.
  • 😀【Worthy to Own】Recommended by Mechanic Scotty Kilmer on Youtube. Supports data logging and Printer compatible. Unique PATENTED design, clearly arranged keypad, 2.8" wide color screen with Life-Time Free software update and 1 year quality assurance, it deserves to own. Supported by EXCLUSIVE engineer and service team for product and service quality. (Please note currently the package does not include a CD. )
  • 😀【Smog Check Helper】Read/Erase and I/M readiness hot keys make it easy to use this car computer reader right out of the package. Red-Yellow-Green Leds and build-in speaker indicate the readiness status for smog test. The obdii scan tool also help catch intermittent problems and confirm repairs during a drive cycle, so that help you quickly determine the health of the car.
  • 😀【Home Necessity】NT301 car scanner is open to global customers. No battery required, it is charged directly from the OBDII interface in your vehicle (please turn your vehicle ignition on), making it convenient for Home and Autoshop Mechanics. It is recommended as a necessity in your toolbox and one of the best gifts for father. (Quick Start Guide is included in the package.)
Bestseller No. 8
FOXWELL ABS Scanner NT630 Plus ABS Bleed Scan Tool Check Engine Code Reader OBD2 Scanner Airbag SAS SRS Diagnostic Tool 【2020 Upgraded Version】
  • 🎄【ENGINE/ABS/SRS SCANNER】 Foxwell NT630 Plus obd2 scanner will performs full detection on vehicles three mainly ECU's systems (ABS/ SRS/ Engine). Active test allows you to active or control ABS/Airbag/SRS system and component, including switches, sensors, relays& actuators.
  • 🎄【ABS BLEED SCAN TOOL】 NT630Plus will perform abs auto bleeding for 60+ car makes. A must automotive diagnostic scanner to help bleed the brake, cycle the pump and valves during the bleeding process. Retrieve a firm brake pedal! Also shows you ABS live data, such as the speed of each wheel, ESP sensors data, Brake assist data and CAN signals data.
  • 🎄【SAS CALIBRATION DIAGNOSTIC TOOL】 Steering angle sensor should be reset or recalibrated after an alignment is performed or parts in steering systems are replaced. NT630 obd2 scan tool will help you calibrate the on-board system sensors with the steering geometry of a newly aligned vehicle, ensuring the systems works as intended, saving your time and labor costs.
  • 🎄【CHECK ENGINE CODE READER】AutoVin new feature could automatically identify the vehicles’ information. Read and erase fault codes, retrieve I/M readiness, freeze frame data, show live data, O2 monitor test, EVAP test(Mode 8), advanced on-board monitor test(Mode 6).
  • 🎄【LIFETIME UPGRADE】Download and install the lastest “Foxassist” from new FOXWELL official website, connected the device with PC to obtain newly added parameters and functionality forever at your fingertips. Playback and data print are also available.
Bestseller No. 9
LAUNCH Scan Tool CRP129X OBD2 Scanner Automotive Code Reader Android Based Diagnostic Tool for Engine Transmission ABS SRS with Oil/EPB/SAS/TPMS/Throttle Body Reset and AutoVIN Wi-Fi Updates
  • 【UPGRADED VERSION OF CRP123/CRP123E&CRP129】: This scan tool is built with a larger 5” touchable HD 720P screen and keypad design for better operation,there are 5 more reset services (Oil/EPB/SAS/TPMS & Throttle Body Reset) compared with CRP123&CRP123E, AutoVIN and automatic printable Inspection report help you get diagnostic information efficiently and effectively
  • 【FOUR SYSTEMS DIAGNOSIS+ BATTERY VOLTAGE TEST】: This diagnostic obd2 scanner works for Engine, Transmission, ABS and SRS diagnoses, thus reading/clearing diagnostic trouble codes, showing live data stream, turning off the warning light related, besides,with the battery voltage test, you are able to monitor the battery voltage timely
  • 【5 RESET SERVICES + AUTOMATIC AUTOVIN SCAN】: This code reader covers 5 most commonly used special reset functions including OIL/EPB/SAS/TPMS reset, and Throttle Adaptation to maintain your vehicle systems safely and efficiently, with the Automatic Autovin Scan, you may easily get the VIN
  • 【FULL OBD2 COMPLIANCY + DATA RECORD & PLAYBACK】: This diagnostic tool supports all 10 modes of OBDII functions such as I/M Readiness Status, Live Data Graphing, MIL turn-off, etc., and works on most vehicles after 1996 compliant with OBD2 protocols , more than 57 brands. Data record,playback and printable Inspection report (share via email) make diagnostic information easily at your hands
  • 【Mechanics with 40 years of experience Highly Recommended 】: This diagnostic automotive scanner perfectly fits for mechanics, work shop or individual users, it comes with the 5 years warranty for any quality problem. One-click WiFi free updates on internet for lifetime along with multilingual support: English, Spanish, French, German, Italian, Russian, Portuguese, Japanese, Korean, etc.,
Bestseller No. 10
[2021] Autel Scanner Maxicom MK808 OBD2 Diagnostic Scan Tool, OE-Level All System Diagnosis, 25 Hot Service with IMMO, Oil Reset, EPB, BMS, SAS, DPF, ABS Bleed, Upgraded of MaxiCheck Pro and MD802
  • 🥇【2021 Latest, 25 Hot Functions】:As the Latest ver. in 2021, Maxicom MK808, Autel highly cost-effective diagnostic tool, provides 25 hot special functions for mechanics to do various maintenances. MK808 offers Oil Reset, EPB, BMS, SAS, ABS Bleed, etc., but not includes the professional TPMS service. Please purchase professional TPMS tools if necessary. Note: The special functions are NOT available for all cars. For compatibility, please send car’s 17-digit VIN code to
  • 🥇【Full Systems Diagnoses】:Autel OBD2 scan tool MK808 diagnoses all available systems on 80+ brands, including American, European, and Asian makes & models. Through Read Codes, Erase Codes, ECU Info., and Live Data, MK808 offers comprehensive and swift diagnosis, making itself an excellent choice for professional technicians. Note: MK808 CANNOT support bi-directional control. Please send car’s 17-digit VIN to to check compatibility, or refer to Amazon Message.
  • 🥇【Auto VIN & Auto Scan】:Autel diagnostic scan tool MK808 features the latest VIN-based Auto VIN Scan function to identify vehicles (include VIN, make, model, etc.) with just one touch. Note: Auto VIN is NOT available for all cars. If the vehicle doesn’t match, please complete the diagnostics by entering the VIN manually. Moreover, Auto Scan can scan all the diagnosable systems on the vehicle with one touch, helping you perform diagnostics and find out problems conveniently and intuitively.
  • 🥇【Upgraded Ver. of MX808, Running Super Fast】:Autel Maxicom MK808 is an upgraded version of MX808/maxicheck series. Built with high-end hardware configuration (a 4-core Cortex-A9 processor 1.5 GHz, a 7" LCD touch screen with 1024*600 resolution, 32GB memory, a 5000mAh battery, etc.), MK808 greatly improves your work efficiency and win more customers for you. Note: MK808 supports 13 languages. If you need to change the language, please provide us with its serial number.
  • 🥇【100% Original, Professional Tech Support】:Our automotive diagnostic scanner MK808 is 100% original. It comes with 1-year free update, 12-month free warranty, 24-hour professional technical support, and comprehensive after-sale service support, giving you no-worry purchase. Note: When the 1-year free update expires, $124.5/year is needed for updating. Without updating, MK808 can still work normally and you can still use the available functions.

Last update on 2021-03-01 / Affiliate links / Images from Amazon Product Advertising API

The OBDII codes for a 1996 Chevrolet Silverado 2500 are P0046, P0074, and P0075. They are all related to the vehicle’s emission system. This system uses an oxygen sensor to measure the amount of unburned oxygen in the exhaust stream. Then it uses the information to make adjustments to the fuel mixture in order to enhance combustion and reduce air pollution emissions. The oxygen sensor is located before the catalytic converter on the exhaust manifold and the oxygen sensor itself has two wires running to it. A P0046 code is set when the oxygen sensor has a voltage of 0.5 volts or less when the engine is running. A P0074

GM tech 2 scanner

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I provide an in-depth GM tech 2 scanner buying guide. The information I provide is purely objective and authentic. I employ both artificial intelligence and big data in aggregating the information.

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  1. Brand Value: Every brand of GM tech 2 scanner has a value of its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What GM tech 2 scanner features matter for you?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from the product.
  5. Customer Ratings: Number ratings.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their experience with GM tech 2 scanner.
  7. Product Quality: You don’t always get what you pay for with GM tech 2 scanner, sometimes less, and sometimes more.
  8. Product Reliability: How reliable and durable GM tech 2 scanner is should be an indication of how long it will work out for you.

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