Toyota GTS+ vs Techstream: Which Diagnostic Software Do You Need?
Compare Toyota Global TechStream Plus (GTS+) with Techstream V18, including vehicle coverage, offline diagnostics, online services and interface requirements.
Heavy-Duty Truck Diagnostic Software
Find dealer-level software, parts catalogs and repair manuals for diesel trucks and heavy equipment, with remote installation and support.
Not sure which one you need? Find it by your diagnostic interface
Dealer-Level Diagnostic SoftwareProfessional tools for trucks and heavy equipment
Remote Installation IncludedSetup and configuration through TeamViewer
Secure CheckoutProtected payment processing
Support from a Real TechnicianHelp before and after installation
Dealer-Level Software for Trucks & Heavy Equipment
Motorsymph Diesel supplies professional diagnostic software, electronic parts catalogs and repair manuals for heavy-duty trucks, construction equipment, agricultural machines and diesel engines. Browse dealer-level programs for Caterpillar, Cummins, Detroit Diesel, Volvo and Mack, John Deere, PACCAR, Isuzu, Allison, Eaton, Bobcat, Komatsu and more.
Every software order includes remote installation and setup through TeamViewer. A technician connects to your Windows PC, installs and configures the program, and helps verify that it is ready to work with your Nexiq, Cummins INLINE or compatible OEM diagnostic adapter. These tools help independent technicians, repair shops and fleets read and clear fault codes, perform service procedures, access wiring and repair information, and identify the correct replacement parts.
If you are unsure which program matches your truck, machine or interface, use our compatibility finder or contact our support team before ordering. We will help you choose the right diagnostic software and installation option for your equipment.
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25% off
CUMMINS
Cummins INSITE 9.3 Pro Diagnostic Software [2026]
Sale price $150.00 Regular price $200.00Unit priceIn stock (51 units) -
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25% off
DETROIT
Detroit Diesel DiagnosticLink 8.24 Pro (DDDL) [2026]
Sale price $150.00 Regular price $200.00Unit priceLow stock (12 units) -
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25% off
SUZUKI
Suzuki SDS 8.7 Marine Outboard Diagnostic Software
Sale price $30.00 Regular price $40.00Unit priceIn stock (26 units) -
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Up to 29% off
CATERPILLAR
Caterpillar 18/10-Digit Password — One-Time Service
Sale priceFrom $25.00 Regular price $35.00Unit priceIn stock (72 units) -
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25% off
CUMMINS
Cummins Calterm 5.16 Engineering Software [2024]
Sale price $150.00 Regular price $200.00Unit priceIn stock (26 units) -
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25% off
CUMMINS
Cummins Calterm III Pro 3.17 — Legacy ECM Software
Sale price $90.00 Regular price $120.00Unit priceIn stock (39 units) -
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24% off
CUMMINS
Cummins Calterm Metafiles 52GB — ECFG, E2M, SCREEN, CBF & Config Files
Sale price $250.00 Regular price $330.00Unit priceIn stock (44 units) -
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25% off
EATON
Eaton ServiceRanger 4.13 — Transmission Diagnostic Software
Sale price $120.00 Regular price $160.00Unit priceIn stock (38 units) -
Truck & Equipment Software Bundles
Save with complete diagnostic software bundles for on-highway and off-highway equipment.
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26% off
CATERPILLAR
Caterpillar Diagnostic Software Package — CAT ET 2026, SIS, CBT & Flash Files
Sale price $290.00 Regular price $390.00Unit priceLow stock (10 units) -
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26% off
DETROIT
Sale price $200.00 Regular price $270.00Unit priceLow stock (18 units) -
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Up to 27% off
SOFTWARE BUNDLE
On-Highway - 25 Truck Diagnostic Programs for NEXIQ USB-Link 2 & 3
Sale priceFrom $1,390.00 Regular price $1,899.00Unit priceLow stock (12 units) -
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SCANIA
Scania SDP3 2.71 + XCOM + BNS II + Marine — Full Diagnostic Bundle
Regular price $290.00Unit priceIn stock (49 units) -
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