Autel AL319 vs. AL519 vs. AUTOOL OL126 vs. OL129

Here is the comparison table of several universal OBDII fault code scanners, including Autool OL126, Autel AL139, Autool OL129 and Autel AL519.

AUTOOL OL126 vs. Autel AL319 vs. AOTOOL OL129 vs. Autel AL519 Feature & Functions

Scanner	AUTOOL OL126	Autel AutoLink AL319	AUTOOL OL129	Autel AutoLink AL519
Image
Protocols Supported	CAN, J1850 PWM,J1850 VPW,ISO9141 and KWP2000	CAN, J1850 PWM,J1850 VPW,ISO9141 and KWP2000	CAN, J1850 PWM,J1850 VPW,ISO9141 and KWP2000	CAN, J1850 PWM,J1850 VPW,ISO9141 and KWP2000
Vehicle Coverage	All 1996 and newer cars, SUV, mini vans, light Duty vehicles sold worldwide	All 1996 and newer cars, SUV, mini vans, light Duty vehicles sold worldwide	All 1996 and newer cars, SUV, mini vans, light Duty vehicles sold worldwide	All 1996 and newer cars, SUV, mini vans, light Duty vehicles sold worldwide
Applicable ECUs	Engine	Engine	Engine	Engine
Battery Power Monitor	No	No	Yes	No
Read & Clear DTC	Yes	Yes	Yes	Yes
Live Datastream	Yes	Yes	Yes	Yes
Graphic Display Live Data	No	No	Yes	Yes
Freeze Frame Data	Yes	Yes	Yes	Yes
ECU Information	Yes	Yes	Yes	Yes
Read VIN, CIN, CVN	Yes	Yes	Yes	Yes
Live O2 sensor data	Yes	Yes	Yes	Yes
I/M monitor readness test	Yes	Yes	Yes	Yes
On-board monitor test	Yes	Yes	Yes	Yes
Built-in OBDII Fault Code lookup library	Yes	No	Yes	No
Live Data Full Description	No	No, only Abbrevation	Yes	No, only Abbrevation
Liva data Help	No	No	Yes	No
TFT Color Screen	Backit 128*64 picel display with contrast adjusment	Color, 128*64 picel display	2.8’ TFT color display (320*240 dpi)	2.8’ TFT color display (320*240 dpi)
Multilingugal Menu& Codes	English, Spanish, French, Deutsch, Russian, Dutch,Finnish etc	English, Spanish, French	English, Spanish, French, Deutsch, Italian, Russian	English, Spanish, French
Print	No	No	No	Yes
Lifetime Free Update via Internet	No update	Yes	Yes	Yes

http://blog.obdii365.com/2017/01/19/autool-ol126-vs-autel-al319-vs-aotool-ol129-vs-autel-al519/