LAUNCH X431 PRO3S+ EV vs CRP919 EV: Which Is Better?
The LAUNCH X431 PRO3S+ EV is a newly released 10-inch electric vehicle diagnostic tool, and its name suggests its functional positioning is comparable to the X431 PRO3 series. Following LAUNCH’s pattern of "larger size equals higher configuration," what upgrades does the X431 PRO3S+ EV offer compared to the LAUNCH CRP919 EV (7-inch) electric vehicle diagnostic tool? This article will provide some comparisons and introductions.
Comparison Table of LAUNCH X431 PRO3S+ EV vs. CRP919 EV
As can be seen, the CRP919 EV and PRO3S+ EV are basically the same in terms of software functionality, but the PRO3S+ EV is equipped with a more intuitive topology interface. Furthermore, the PRO3S+ EV supports more hardware expansion, and with the help of relevant tools, it can achieve even more functions.
The PRO3S+ EV expansion modules are as follows:
TPMS: i-TPMS, CRT5011E, CRT5011 V2
ADAS: X431 ADAS PRO PLUS (Need X431 ADAS Function License)
02–1 Scopebox Tester Oscilloscope
02–2 Scopebox Tester Oscilloscope (4 Channels)
S2–2 Sensorbox Tester Oscilloscope (2 channels)
Video Scope: VSP-600 Video Scope
Battery Tester: BST360 Battery Tester
Multimeter(EM 101N)
Current Clamp
IMMO Programming: XPROG3 IMMO Programmer
On the other hand, since the X431 PRO3S+ EV comes standard with SmartLink C, we can use remote diagnostics and it is compatible with the original software via J2534.
It’s worth mentioning that the X431 PRO3S+ EV supports diagnostics for various types of vehicles. Commercial vehicle, passenger vehicle, and motorcycle software packages can be purchased in the store (only electric trucks and electric motorcycles are supported; hybrid vehicles are not).
Electric vehicle diagnostics is a relatively recent development, and many technicians start from scratch. The PRO3S+ EV also offers free access to repair cases and operating techniques. If needed, you can also subscribe to the X431 FIX database (which requires a subscription).

As can be seen from the information above, the LAUNCH X431 PRO3S+ EV represents a significant upgrade compared to the CRP919 EV. The versatility of its expansion modules and support for remote diagnostics make the PRO3S+ EV an excellent choice for both professional technicians and beginners.
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