Among the Autel handheld code readers, choose a simple and practical tool for DIY enthusiasts to comprehensively search your car for fault codes, perform OBD-II testing, and enjoy lifetime free software updates.
Here, we will compare several home-use OBD2 handheld code readers, Autel AL539 vs. AL529HD vs. AL629.
|
Autolink AL539 |
Autolink AL529HD Heavy Duty | Autolink AL629 | |
|---|---|---|---|
|
 |
 |
 |
| Hardware | |||
| Connection |
obdii cable
|
obdii cable
|
obdii cable
|
| Screen |
2.8-inch display
320 x 240 dpi / led color screen
|
2.8-inch display
320 x 240 dpi / led color screen
|
2.8-inch display
320 x 240 dpi / led color screen
|
| Memory |
16gb micro sd card
included
|
16gb micro sd card
included
|
16gb micro sd card
included
|
| Software | |||
| Operating system |
easy tool navigation
|
easy tool navigation
|
easy tool navigation
|
| Software updates |
free for life of tool
|
free for life of tool
|
free for life of tool
|
| Automatic detection |
auto-vin 2006+
|
auto-vin 2006+
manufacturer-specific codes
|
auto-vin 2006+
manufacturer-specific codes
|
| Vehicle coverage |
us, asian & european
1996 and newer
|
us, asian & european
1996 and newer
|
us, asian & european
1996 and newer
|
| OBDII test modes |
all 10 test modes
live & freeze frame / enhanced mode 6
|
all 10 test modes
live & freeze frame / enhanced mode 6
|
all 10 test modes
live & freeze frame / enhanced mode 6
|
| Features | |||
| Language |
tri-lingual
|
tri-lingual
|
tri-lingual
|
| Print data |
usb cord to pc
|
usb cord to pc
|
usb cord to pc
|
| One click i/m readiness |
quick key indicator lights
|
quick key indicator lights
|
—
|
| Internet updates |
usb cord to pc
|
usb cord to pc
|
usb cord to pc
|
| Electrical tests |
starting, circuit charging, voltage, continuity & current
|
—
|
—
|
| Voltage test probes |
included
|
—
|
—
|
| Emissions component test |
i/m readiness
o2 & on-board monitor
|
i/m readiness
o2 & on-board monitor
|
i/m readiness
o2 & on-board monitor
|
| Mil |
read mil status
|
read mil status
|
read mil status
|
| Data |
save & playback
|
save & playback
|
save & playback
|
| Testing |
component test
|
component test
|
component test
|
| Mode 6 |
enhanced
|
enhanced
|
enhanced
|
| Read/erase dtcs |
engine/trans
|
heavy duty engine
|
engine/abs/srs/trans
|
| Manufacturer-specific codes |
—
|
read power system codes for ford/gm/chrysler
|
—
|
AL529HD is the only handheld code reader that supports heavy truck engine code reading and clearing, which is very practical for DIY enthusiasts. If you still need more powerful features, choose a diagnostic flatbed scanner.
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