Launch X-431 PRO3S+ EV is a new professional diagnostic scanner for electric vehicles
What’s the difference between it and CRP919 EV? How to choose?
The answer depends on your budget, your workflow, and the features you truly need.
Quick Pick:
- Choose PRO3S+ EV for advanced capabilities, expandability, and professional-grade features
- Choose CRP919 EV for affordability, portability, and core EV diagnostics
Detailed Comparison
| Item | Launch X431 PRO3S+ EV | Launch CRP919 EV |
| Image |  |
 |
| Screen | 10.1 inch | 7 inch |
| Resolution | 1280*800 | 1024*600 |
| Operating System | Android 10.0 | Android 10.0 |
| CPU | Quad-core 2.0GHz | Quad-core 2.0GHz |
| Memory | 4GB | 4GB |
| Storage | 64GB | 64GB |
| Communications/ Upgrades | WIFI 2.4Ghz/ 5Ghz (b/ g/ n) | WIFI 2.4Ghz/ 5Ghz (b/ g/ n) |
| Battery | 6300mAh | 6000mAh |
| Interfaces | TYPE A & TYPE C | TYPE C |
| Free Update | 2 Years | 2 Years |
| EV Battery Pack Diagnostics | YES | YES |
| Special Functions | 45+ | 45+ |
| VCI | SmartLink C V2 | NO |
| Extended Module | 13: TPMS (i-TPMS, CRT5011E, TPMS 5011 V2), ADAS, O2-1 Scopebox, O2-2 Scopebox, S2-2 Sensorbox, Video Scope, BST360, EM101N Scopebox, Multimeter (EM 101N), Current Clamp, ES200 Insulation, IMMO Programmer (X-PROG3), X431 Key Programmer | 3 |
| SGW (FCA SGW) | YES | YES |
| CANFD & DOIP | YES | YES |
| Topology function | YES | NO |
| J2534 | YES | NO |
| Remote diagnostics | YES | NO |
| X431 FIX Database | YES (Purchase required) | NO |
| IMMO Programming | YES (Purchase required) | NO |
| Commercial vehicle diagnostics | YES (Purchase required) | YES |
| Motorcycle diagnostics | YES (Purchase required) | NO |
| Hybrid vehicle diagnostics | NO | NO |
Pros & Cons Summary
✅ Larger, sharper screen
✅ SmartLink C V2 included
✅ J2534 pass-thru, topology function, remote diagnostics
✅ Highly expandable (13 modules)
❌ Higher cost
❌ Some advanced features cost extra: IMMO programming, commercial vehicle diagnostics, motorcycle diagnostics, and X431 FIX
❌ No hybrid support
✅ Compact and portable
✅ Lower price
✅ Commercial vehicle diag included
✅ Easy to learn
❌ No VCI included
❌ No J2534, topology, or remote diag
❌ No IMMO, motorcycle, or X431 FIX
❌ Only 3 extended modules
Final Advice
- Pick Launch X431 PRO3S+ EV scanner if you run a professional workshop handling cars, commercial vehicles, and motorcycles—and you need J2534 pass-thru, topology mapping, remote diagnostics, or IMMO programming. The included SmartLink C V2 VCI and larger screen make it a complete, future-proof package.
- Pick Launch CRP919 EV diagnostic scanner if you focus on passenger cars and commercial vehicles, don’t need programming or remote support, and want a reliable, budget-friendly tool. It’s perfect for smaller shops or mobile technicians who value portability and simplicity.
Both scanners handle EV battery pack testing and core diagnostics with equal competence. Your decision ultimately comes down to whether your work demands advanced features and expandability—or if a straightforward, affordable tool is all you need.
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