Find the right tools for every diesel job

The Best Diesel Diagnostic Scanners & Truck Tools

Explore practical buying guides, tool comparisons and diagnostic equipment for diesel trucks, commercial vehicles and heavy-duty machinery.

Shop Diagnostic Tools → Explore Buying Guides

Helpful product comparisons
Diesel-focused buying guides
Tools for trucks & fleets

Find Your Diagnostic Tool

Search by scanner, brand or feature.

Browse All Categories →

Browse the tools

Shop by Scanner Type

Explore diesel diagnostic tools, truck scanners, OBD2 equipment and accessories by what you need to check or repair.

Browse All Categories

Diesel Diagnostic ToolsEngine diagnostics & diesel systems

Truck Diagnostic ScannersCommercial truck scan tools

Heavy Duty ScannersHeavy equipment diagnostics

Professional Scan ToolsWorkshop-grade equipment

Diagnostic TabletsAdvanced touchscreen scanners

Bi-Directional Scan ToolsActive testing & controls

Full-System ScannersWhole-vehicle system scanning

OBD2 ScannersEveryday vehicle diagnostics

Handheld OBD2 ScannersPortable scan solutions

Bluetooth OBD2 ScannersWireless diagnostic tools

Code ReadersRead & understand fault codes

Check Engine Light ScannersInvestigate warning lights

Battery TestersBattery & charging checks

TPMS ToolsTire pressure system tools

Scanner AccessoriesCables, adapters & more

Budget OBD2 ScannersCost-conscious options

Category icons by Icons8

Popular Brands

Explore diagnostic scanners and tools by manufacturer.

22 brands

Featured Products

Explore diagnostic scanners and tools for diesel trucks, heavy-duty vehicles and more.

View All Products

KINGBOLEN Soloscan for GM OBD2 Scanner Bluetooth, Lifetime Update | Bidirectional Scan Tool for iOS & Android, All Reset Service, Full System Diagnostic Tool for Buick/Chevy/Cadillac/GMC

-21%

Check Engine Light Scanners

KINGBOLEN Soloscan for GM OBD2 Scanner Bluetooth, Lifetime Update | Bidirectional Scan Tool for iOS & Android, All Reset Service, Full System Diagnostic Tool for Buick/Chevy/Cadillac/GMC

Buy on Amazon

OBD2 Scanner Diagnostic Tool, Check Engine Lights and Clear Vehicle Trouble Code, Battery Start Test, Live Data, Cloud Printing, Freeze Frame, Car Scanner for All OBDII Vehicles Since 1996

OBD2 Scanners

OBD2 Scanner Diagnostic Tool, Check Engine Lights and Clear Vehicle Trouble Code, Battery Start Test, Live Data, Cloud Printing, Freeze Frame, Car Scanner for All OBDII Vehicles Since 1996

$39.99

Buy on Amazon

MUCAR 892BT AI Bi-Directional OBD2 Scanner Diagnostic Tool | Full System, 35 Services,ECU Coding,FCA Autoauth,CANFD&DOIP,For Car Owners, DIYer, Technicians, Inspectors, Trainees

-19%

Bi-Directional Scan Tools

MUCAR 892BT AI Bi-Directional OBD2 Scanner Diagnostic Tool | Full System, 35 Services,ECU Coding,FCA Autoauth,CANFD&DOIP,For Car Owners, DIYer, Technicians, Inspectors, Trainees

Buy on Amazon

LAUNCH X431 i-TPMS Tire Pressure Detector Tool,Upgrade of TS Gun | Activate/Relearn,TPMS Diagnostic Tool,Work with CRP919E/X431 V/X431 PRO3S+/X431 PRO Elite/X431 PRO TT/X431 PAD V

TPMS Tools

LAUNCH X431 i-TPMS Tire Pressure Detector Tool,Upgrade of TS Gun | Activate/Relearn,TPMS Diagnostic Tool,Work with CRP919E/X431 V/X431 PRO3S+/X431 PRO Elite/X431 PRO TT/X431 PAD V

$139.00

Buy on Amazon

Launch X431 i-TPMS Handheld Tire Pressure Detector Tool, Upgrade of TSGUN | Relearn/Reset/Program/Coding TPMS Sersor Work with X431 Scanner or i-TPMS APP, Supports All 315/433MHz Sensor TPMS Scan Tool

-18%

TPMS Tools

Launch X431 i-TPMS Handheld Tire Pressure Detector Tool, Upgrade of TSGUN | Relearn/Reset/Program/Coding TPMS Sersor Work with X431 Scanner or i-TPMS APP, Supports All 315/433MHz Sensor TPMS Scan Tool

Buy on Amazon

LAUNCH Creader Elite X500 for BMW OBD2 Scanner, Full System Diagnostic Tool | Bidirectional Scan Tool with ECU Code & Battery Registration, All Reset Service, Lifetime Free Update, Fit for BMW Mini Rolls

-14%

Budget OBD2 Scanners

LAUNCH Creader Elite X500 for BMW OBD2 Scanner, Full System Diagnostic Tool | Bidirectional Scan Tool with ECU Code & Battery Registration, All Reset Service, Lifetime Free Update, Fit for BMW Mini Rolls

Buy on Amazon

KINGBOLEN K7 OBD2 Scanner Bluetooth No Subscription Lifetime Update | Bidirectional Test Full System Bluetooth Diagnostic Scan Tool with 31+ Resets, Autovin, TPMS Relearn, FCA AutoAuth

-5%

Budget OBD2 Scanners

KINGBOLEN K7 OBD2 Scanner Bluetooth No Subscription Lifetime Update | Bidirectional Test Full System Bluetooth Diagnostic Scan Tool with 31+ Resets, Autovin, TPMS Relearn, FCA AutoAuth

Buy on Amazon

Autel Original J1939 to Obd2 Adapter, Type 2 J1939 9pin Connector to 16pin | Cable for Heavy Duty Trucks Scanner and Commercial Vehicles

Scanner Accessories

Autel Original J1939 to Obd2 Adapter, Type 2 J1939 9pin Connector to 16pin | Cable for Heavy Duty Trucks Scanner and Commercial Vehicles

$11.99

Buy on Amazon

BluSon YM319 OBD2 Scanner Diagnostic Tool with Battery Tester, Scan Tool | Check Engine Fault Code Reader, Live Data, Cloud Printing, DTC Lookup, Freeze Frame, I/M Readiness for OBDII Cars Since 1996

-23%

Budget OBD2 Scanners

BluSon YM319 OBD2 Scanner Diagnostic Tool with Battery Tester, Scan Tool | Check Engine Fault Code Reader, Live Data, Cloud Printing, DTC Lookup, Freeze Frame, I/M Readiness for OBDII Cars Since 1996

Buy on Amazon

Launch Tech USA BST860 6V12V24V 100-2000 CCA Automotive Battery Load Tester Car Charging and Cranking System Analyzer Scan Tool with Printer - Support Heavy Duty Trucks, Cars, Motorcycles and More

Battery Testers

Launch Tech USA BST860 6V12V24V 100-2000 CCA Automotive Battery Load Tester Car Charging and Cranking System Analyzer Scan Tool with Printer - Support Heavy Duty Trucks, Cars, Motorcycles and More

$100.00

Buy on Amazon

iCarsoft CR Max + Free Screen Protector - Professional Multibrand Automotive Diagnostic Scanner - Read/Erase Faults Codes - Reset Oil Service - Coding & Programming

Professional Scan Tools

iCarsoft CR Max + Free Screen Protector - Professional Multibrand Automotive Diagnostic Scanner - Read/Erase Faults Codes - Reset Oil Service - Coding & Programming

$369.93

Buy on Amazon

Thinkdiag2 All System Bidirectional OBD2 Diagnostic Scanner for iOS/Android | THINKCAR Bluetooth Scan Tool with CAN-FD Protocol, 15+ Reset Functions, ECU Code, Active Test, AutoVIN, 1 Year Update

Bi-Directional Scan Tools

Thinkdiag2 All System Bidirectional OBD2 Diagnostic Scanner for iOS/Android | THINKCAR Bluetooth Scan Tool with CAN-FD Protocol, 15+ Reset Functions, ECU Code, Active Test, AutoVIN, 1 Year Update

$159.99

Buy on Amazon

Autel AP2500E OBD2 Scanner Bluetooth Code Reader, Upgrade of AP200 | Full OBD II Diagnostic Tool as MK808S, Oil Reset, EV Battery, BMS Reset, Check Engine Light, 45+ Car Brands for Android/iOS

Check Engine Light Scanners

Autel AP2500E OBD2 Scanner Bluetooth Code Reader, Upgrade of AP200 | Full OBD II Diagnostic Tool as MK808S, Oil Reset, EV Battery, BMS Reset, Check Engine Light, 45+ Car Brands for Android/iOS

$59.00

Buy on Amazon

MUCAR 682 AI-Assisted OBD2 Scanner Bidirectional Scan Tool, Scanner for Car ALL System, OBD2 Scanner Diagnostic Tool with Active Test,Car Diagnostic Scanner with 20+ Reset,CAN FD & FCA SGW,Free Update

-24%

Bi-Directional Scan Tools

MUCAR 682 AI-Assisted OBD2 Scanner Bidirectional Scan Tool, Scanner for Car ALL System, OBD2 Scanner Diagnostic Tool with Active Test,Car Diagnostic Scanner with 20+ Reset,CAN FD & FCA SGW,Free Update

Buy on Amazon

Scanner Accessories

thinkcar Universal 16 Pin Male to Female OBD2 Extension Cable Thinkscan Scanner, Ultra Low Profile Flat OBDII Convert Cable Diagnostic Adapter for Car Scanner, 60cm, 2 feet

$9.99

Buy on Amazon

Full Systems OBD2 Scanner Car Diagnostic Tool with ABS SRS Transmission Etc | Read & Clear Fault Codes; Read Live Data; Battery Voltage Test; Free Upgrade; Works for Cars and Trucks Since 1996

-10%

Full-System Scanners

Full Systems OBD2 Scanner Car Diagnostic Tool with ABS SRS Transmission Etc | Read & Clear Fault Codes; Read Live Data; Battery Voltage Test; Free Upgrade; Works for Cars and Trucks Since 1996

Buy on Amazon

ANCEL AD410 PRO OBD2 Scanner and Battery Tester, 2-in-1 Car Diagnostic Tool, Check Engine Light, EVAP Test, Live Data, 12V Battery Analyzer with Cranking & Charging System Test for Car Motorcycle

-20%

Battery Testers

ANCEL AD410 PRO OBD2 Scanner and Battery Tester, 2-in-1 Car Diagnostic Tool, Check Engine Light, EVAP Test, Live Data, 12V Battery Analyzer with Cranking & Charging System Test for Car Motorcycle

Buy on Amazon

OBD2 Scanner, MUCAR 632 Elite AI-Assisted Bidirectional Scan Tool, 15 Reset Services Oil/TPMS/EPB/BMS/SAS/Brake/Throttle Car Scanner Diagnostic Tool, AutoAuth FCA, CANFD, AutoVIN, Lifetime Free Update

-21%

Professional Scan Tools

OBD2 Scanner, MUCAR 632 Elite AI-Assisted Bidirectional Scan Tool, 15 Reset Services Oil/TPMS/EPB/BMS/SAS/Brake/Throttle Car Scanner Diagnostic Tool, AutoAuth FCA, CANFD, AutoVIN, Lifetime Free Update

Buy on Amazon

Why Choose DieselScanner?

Find the right diagnostic tools with practical advice, detailed comparisons and helpful buying guides.

Expert Reviews

Detailed insights into features, performance and compatibility.

Trusted Recommendations

Discover tools that match your diagnostic needs and budget.

Buying Guides

Helpful advice for beginners, technicians and professionals.

Up-to-Date Deals

Explore product options and check the latest offers on Amazon.

Latest Guides

Buying tips, comparisons and practical advice for diesel diagnostic tools.

View All Guides

Guides

Diesel Diagnostic Scanner Buying Checklist: 10 Features to Look For

A concise, practical checklist to help technicians and fleet managers choose a diesel diagnostic scanner—covering coverage, functions,…

Read Guide

Guides

How to Maintain Your Diesel Diagnostic Scanner for Long-Term Reliability

Keep your diesel diagnostic scanner reliable by following a routine: clean connectors, update software, care for batteries,…

Read Guide

Guides

Autel vs Launch vs ANCEL: How to Compare Diagnostic Scanner Features

A focused comparison of Autel, Launch and ANCEL scanners—what matters (coverage, bi-directional control, updates) and what you…

Read Guide

Shopping cart