Installing Updates

How long does a scan tool update take and what can go wrong?

Short answer: A large update can take from several minutes to over an hour depending on the number of vehicle files and your internet speed; most problems come from weak Wi-Fi, low battery or not enough storage.

Full-featured tablets store software for dozens of makes, and updating them all at once means downloading many gigabytes. On a fast, stable connection it may take under an hour; on weak shop Wi-Fi it can take much longer or fail partway.

Plug the tool into its charger, connect to a strong network, and avoid updating during a busy shift. If storage is tight, remove makes you never service, if the tool allows it. Update the VCI firmware when prompted, since mismatched VCI and tablet software causes communication problems.

If an update keeps failing, restart the tool, check the date and time settings, try a different network, and look for an error message to share with the tool maker's support. Many makers also offer desktop update utilities or SD card methods for difficult cases.

Should I update my TPMS or key programming tool too?

Short answer: Yes, if you service late-model vehicles; TPMS and key tools need updates for new sensors, vehicles and procedures just like scan tools do.

New vehicles bring new TPMS sensors, relearn procedures and immobilizer systems every year. A TPMS tool without updates may not recognize newer sensors or show the right relearn steps. A key programming tool may lack coverage for new key types or security changes.

Update subscriptions for these tools work like scan tool subscriptions. The tool keeps working on what it already covers, but new coverage arrives only with updates. Some makers sell separate update cards for TPMS and key programming functions.

Look at your work mix. A tire shop doing TPMS sensors daily should stay current. A shop that rarely does keys might update only when it starts seeing vehicles the tool does not cover. Check the maker's release notes to see what each update adds.

Should I update my scan tool before a big diagnostic job?

Short answer: Update during quiet time ahead of a job rather than right before it, so a long download or a problem does not delay the vehicle; check what the update changes first.

Updates add vehicle coverage and fix bugs, and a vehicle that is new to the shop may need the latest software. But updates can take a long time on large tablet tools, and a failed update can leave the tool unusable until it is fixed.

Plan updates for the end of the day or a slow period. Read the release notes to see if they include the vehicles you need. Make sure the tool is charged or plugged in and connected to reliable Wi-Fi.

After updating, test the tool on a shop vehicle before you rely on it. Keep the VCI firmware updated at the same time when the tool asks. Never unplug or power off a tool during a firmware update.

What do I need for a smooth scan tool update?

Short answer: A reliable Wi-Fi connection, plenty of free storage, a full battery or charger connected, the tool registered with an active subscription, and time to let it finish without interruption.

Large updates download many vehicle files. A weak Wi-Fi signal slows downloads and can corrupt files. Free storage matters, since some tools need room to download and install at once; deleting unused vehicle software can free space if the maker allows it.

Plug the tool into its charger, as some updates fail on low battery. Confirm the tool is registered to your account and the subscription is active, or downloads may be refused.

Update the VCI firmware when prompted, which may need a cable connection. If an update fails, retry with a better connection or contact the maker's support before trying unusual fixes. Never power off during firmware installation.

How do I update a J2534 device and its drivers?

Short answer: Use the device maker's update software on your laptop to install the latest drivers and firmware, then confirm the vehicle maker software recognizes the device before programming a vehicle.

A J2534 device relies on drivers installed on the laptop and firmware inside the device. Vehicle maker software calls those drivers. Outdated drivers or firmware can cause connection failures or unsupported features on newer vehicles.

Device makers provide an update or toolbox application that checks for new versions. Connect the device by USB, run the update, and let it finish completely. Then open the vehicle maker's software and confirm it detects the device.

Update ahead of time, not during a customer job. Keep the laptop plugged in and connected to stable internet. Do not unplug the device during firmware updates, and follow the maker's instructions.

Should I back up data before updating a scan tool?

Short answer: Yes; saving vehicle reports, customer data and settings before a major update protects records in case the update resets the tool or something goes wrong.

Most updates go smoothly, but backups protect valuable records. Save reports, coding backups and settings to a computer or cloud account if your tool supports it.

Keep the tool charged and connected to stable power and internet during the update.

Backups also help if the tool is lost, damaged or replaced. Set a regular schedule, such as monthly, so records are never far out of date. Check after the update that saved reports and settings are still available, and contact the maker's support if anything is missing. Keep a note of the software version installed.

Check the maker's release notes for changes. Never interrupt an update in progress.

What is the difference between a VCI firmware update and a software update?

Short answer: Software updates change the tablet's vehicle coverage and functions, while VCI firmware updates change the communication interface itself, and both need to stay current for reliable connections.

The tablet's software contains vehicle coverage and functions. The VCI has its own firmware that controls communication with the vehicle.

Out-of-date firmware can cause communication errors even when software is current. Many tools prompt for firmware updates.

Update both together when the maker releases them, and check that the VCI is paired with the correct tablet afterward. If communication problems start after an update, check the maker's support resources before assuming a vehicle fault. Keep a spare cable or VCI on hand if your shop depends on one tool for daily work.

Follow the maker's instructions, keep the VCI powered during updates, and never disconnect during an update.

What should I do if a scan tool update fails?

Short answer: Stay calm, keep the tool powered, retry on a stable internet connection, and follow the maker's recovery or support steps instead of repeatedly forcing the update.

Updates can fail because of weak internet, low battery, a full storage space or a server problem. First check the tool's power and connection, then retry the update.

If the tool will not start or keeps failing, check the maker's support pages for recovery instructions, or contact the maker's support team with the error message and serial number.

Avoid installing third-party software on the tool. Keep the tool on its charger during updates, and do not use it on vehicles until the update completes, since partly installed software can cause communication problems.