Overview
If you own a TomTom GO 620 GPS and recently installed the Australia/New Zealand (ANZ) map, you might find that voice control or voice guidance no longer works — even though English is still your selected language.
This issue is surprisingly common when switching maps or updating navigation data, and the good news is it’s usually easy to fix. Here’s a step-by-step troubleshooting guide to get your voice control working again.
Why This Happens
Voice control on TomTom devices depends on more than just the display language. It also relies on:
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Computer voices (text-to-speech) being installed and active
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The map region matching your chosen voice language
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Correct account and device settings after a map update
When you switch to a new map region like ANZ, some settings or voice files may become incompatible or need reinstalling.
Step-by-Step Troubleshooting
Step 1 – Check Your Installed Voice
Voice control requires a computer voice that can read street names (e.g., “Turn left on George Street”).
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Go to Main Menu → Settings → Voices
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Make sure you have a computer voice installed (e.g., “Serena – Computer Voice”).
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If only “Recorded Voices” are listed, connect to MyDrive Connect and install a compatible computer voice.
Step 2 – Match Language and Map Region
Even with English selected, your voice control will only work if the language-country combination is supported for your current map.
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For ANZ maps, choose English (Australia) or English (New Zealand) as your voice language in Settings → Language & Units.
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Avoid selecting voices tied to other regions (e.g., English UK) if they are not supported in ANZ.
Step 3 – Reinstall a Compatible Voice
If your voice control stopped working right after the map update:
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Connect your device to a computer via USB and open MyDrive Connect.
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Go to My Content and uninstall your current computer voice.
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Reinstall a fresh copy (start with “Serena” or another ANZ-compatible voice).
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Activate voice control and test it before switching back to your preferred voice.
Step 4 – Reset and Refresh
If the above steps fail:
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Perform a hard reset (hold the power button until you hear the drum roll sound).
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Reconnect to MyDrive Connect and allow the device to re-sync your account and content.
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Repeat Steps 1–3.
Pro Tips
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Update regularly: Keep your voices, maps, and software up to date via Wi-Fi or MyDrive Connect.
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Check compatibility before updating: Some older voices may not work with newer map regions.
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Backup settings: Before big updates, back up your favorites and custom settings.
- Also check online TomTom Forum: Voice command not recognized in your country | TomTom Forums
Conclusion
If your TomTom GO 620 voice control stops working after installing the ANZ map, the issue is usually due to missing or incompatible voice files, region mismatches, or settings reset during the update.
Following the above steps should restore your hands-free navigation quickly and easily.
If you still experience problems, contact OzToner Technical Support for personalised assistance — we’re here to help keep you on the road.