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.
Motorsymph Diesel |
Technical Guides
Toyota GTS+ vs Techstream: Which Diagnostic Software Do You Need?
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SPN 157 FMI 19: Fuel Rail Pressure Data Error — J1939 Diagnostic Guide
SPN 157 FMI 19 means fuel-rail pressure data was received in error over J1939—not automatically pressure too high. Follow the correct diagnostic order.
Motorsymph Diesel Technical Team |
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SPN 641 FMI 7: Turbocharger Actuator Not Responding — Diagnostic Guide
Learn how to diagnose SPN 641 FMI 7 without replacing the turbo first: actuator power, linkage, VGT movement, wiring and calibration checks.
Motorsymph Diesel Technical Team |
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SPN 3719 FMI 0: DPF Soot Level Very High — Safe Diagnostic Guide
SPN 3719 FMI 0 indicates a critically high DPF soot level on many platforms. Learn when a regen may be unsafe and what to diagnose first.
Motorsymph Diesel Technical Team |
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SPN 102 FMI 18: Intake Manifold Pressure Too Low — Diagnostic Guide
Diagnose SPN 102 FMI 18 methodically: intake and charge-air leaks, restrictions, sensor plausibility, turbo control and OEM verification.
Motorsymph Diesel Technical Team |
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SPN 4364 FMI 18: SCR NOx Conversion Efficiency Low — Diagnostic Guide
Learn what SPN 4364 FMI 18 means, the most common SCR and DEF causes, and the correct diagnostic order before replacing a NOx sensor.
Motorsymph Diesel Technical Team |
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Isuzu US-IDSS vs G-IDSS vs E-IDSS: Which Diagnostic Software Do You Need?
Compare Isuzu US-IDSS, G-IDSS and E-IDSS diagnostic software for North American trucks, global-market trucks and industrial engines.
Motorsymph Diesel |
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CAT ET No Communication: Adapter and Connection Troubleshooting Guide
Troubleshoot CAT ET no-communication errors by checking the Caterpillar adapter, connector power, Windows driver, cables and interface settings.
Motorsymph Diesel |
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John Deere Service Advisor vs Parts Advisor: Which Tool Do You Need?
Compare John Deere Service Advisor diagnostic software with Parts Advisor parts catalogs and learn which tool your repair workflow needs.
Motorsymph Diesel |
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What Is AGCO EDT? Diagnostic Software for Massey Ferguson
Learn what AGCO EDT diagnostic software does, the hardware it needs and how to confirm coverage for supported AGCO and Massey Ferguson equipment.
Motorsymph Diesel |
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What Is Hino DX3? Diagnostic Software and Adapter Guide
Learn what Hino DX3 and DX2 diagnostic software do, which adapter is required and how to troubleshoot communication with supported Hino trucks.
Motorsymph Diesel |
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Heavy Equipment Diagnostic Software: Complete 2026 Guide
Compare diagnostic software for Caterpillar, John Deere, CNH, Bobcat, Perkins, JCB, AGCO, Komatsu and other construction or agricultural equipment.
Motorsymph Diesel Technical Team |
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Heavy-Duty Truck Diagnostic Software: Complete 2026 Guide
Compare heavy-duty truck diagnostic software for Cummins, Detroit, PACCAR, Volvo, Allison, Bendix, WABCO and mixed fleets, including adapter guidance.
Motorsymph Diesel Technical Team |
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What Is Perkins EST? Diagnostic Software, Adapter & Engine Guide
Learn what Perkins EST diagnostic software does, which adapters it requires, how it differs from SPI2 and how technicians use it on electronic Perkins engines.
Motorsymph Diesel |
