Autel AutoLink AL319 OBD2 Code Reader
Where we recommend it
OBD2 Scan Tools for a Modern Engine Swap, at Three Budgets·#1
Reads and clears engine codes, shows live data and freeze frame, and checks emissions readiness. It powers from the port, so it lives in the glovebox.
Estimated retail value
$59.00
As of Oct 25, 2026
About it
The Autel AutoLink AL319 is a compact OBD2 diagnostic scanner built for straightforward vehicle troubleshooting at home. Plug it into your vehicle's OBD2 port and the unit powers on automatically—no batteries, no apps, no Wi-Fi, no setup required. It reads and clears diagnostic trouble codes, displays live data streams in real time, retrieves freeze frame data, checks I/M readiness status, runs O2 sensor and on-board monitor tests, and pulls vehicle information including VIN, CID, and CVN. A built-in DTC lookup library shows code definitions directly on the color-coded LCD screen, so you can understand what a fault code means without searching elsewhere. The display uses green and red indicators, and a built-in speaker provides audio alerts, making results quick to read at a glance. The AL319 supports full OBDII and CAN protocols and is compatible with OBD2-compliant vehicles from 1996 and newer across domestic, European, and Asian makes. The interface is available in multiple languages including English, Spanish, and French. The unit is slim enough to keep in a glove box, making it practical for DIY owners, fleet managers, and roadside use. Autel provides lifetime free software updates with no subscription, keeping vehicle coverage and DTC definitions current over the life of the tool.
Also in OBD2 Scan Tools for a Modern Engine Swap, at Three Budgets
2
Autel MaxiLink ML629 OBD2 Scanner
Adds transmission, ABS and airbag codes to the engine's, with live data graphed, for a build that carried a modern transmission controller or ABS over with the swap.
3
Autel MaxiCheck MX900 Bidirectional Scan Tool
A bidirectional scan tool: it sends commands to the car's modules, so a part can be tested from the scanner instead of only read about.
Where these picks come from: AUTELOnline