LG TV & Audio OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV ERROR 137 Error Fix: Wi-Fi Connection Failed

Error code ERROR 137 on the LG TV & Audio OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV means: Wi-Fi Connection Failed. Wi-Fi-specific connection failure. The TV cannot connect to the selected wireless network. Verify Wi-Fi password. Check that MAC address filtering on the router is not blocking the TV. Forget the network and reconnect. Ensure the router supports WPA2 (older firmware may not connect to WPA3-only networks). Restart Wi-Fi module: Settings → Network → Wi-Fi Connection → turn off, wait 10 seconds, turn back on.

The most successful fix is "Replace Internal Wi-Fi Module and Verify Router Compatibility" (hard difficulty, ~45 minutes). Estimated DIY cost: $15-$30. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Internal Wi-Fi Module and Verify Router Compatibility") is rated hard difficulty and takes about 45 minutes. Tools needed: T20 Torx screwdriver, Plastic pry tool, ESD wrist strap.

DIY cost: $15-$30. Professional repair typically costs $150-$220. Many homeowners save money by trying the top-ranked community fix first.

The LG TV & Audio OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV has 8 other known error codes, including: ABNORMAL TEMP (OLED Panel Over-Temperature), APP CRASH (App Freezes or Crashes), AUDIO SYNC (Audio Out of Sync with Video), BANDING (Horizontal or Vertical Banding), BLINK 2X (Power Supply Overcurrent / Short), and 3 more.

Error code ERROR 137 also appears on 6 other LG TV & Audio models: 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV, 75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV, 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV, OLED55B3PUA 55" Class B3 4K OLED Smart TV, OLED65C3PUA 65" Class C3 4K OLED evo Smart TV, OLED65C4PUA 65" Class C4 4K OLED evo Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.