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What to Do When ETC Fails to Respond?

2 Answers

OmarLynn

07/24/25 7:59am

Here are the solutions for when ETC fails to respond: 1. Ensure the vehicle speed is not too fast when passing through the ETC lane; 2. Check if the ETC device has become loose, fallen off, or been self-disassembled, causing the anti-tamper switch to pop out—reset all data if necessary; 3. Charge the ETC device; 4. Verify if the ETC card belongs to the current vehicle. The installation method for ETC is as follows: 1. Inspect the ETC card and OBU for any damage. Press the anti-tamper button on the OBU—a red light will briefly illuminate, and the OLED screen will display "Please insert card," indicating the device is functioning normally; 2. Clean the front windshield, ensuring the glass surface is dry. Peel off the adhesive backing film of the OBU and stick it to the installation position, pressing firmly with your hand for 2 to 3 minutes; 3. Insert the ETC card with the front side facing the driver and the back side facing the windshield, then insert the chip into the device.

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OEsther

08/11/25 3:37am

I also encountered a problem with ETC sensor failure before, which is usually caused by improper device placement or depleted battery. I remember last summer when passing through a toll station, the system didn't respond. After stopping, I noticed the indicator light was off—it turned out the device battery had been used for nearly three years and needed replacement. I suggest first checking if the light on the device is normal; a steady green light indicates it's working properly. If the light is off or flashing, try reinstalling it to ensure it's firmly attached to the upper middle area of the windshield and not blocked by window tint. Make sure the card slot isn't loose, clean the contacts with a soft cloth, and insert the card more securely. If that doesn't work, test it at different toll stations a few times to see if it consistently fails. Don't forget to contact customer service or visit a service center for inspection—regular quarterly checks can save a lot of trouble.

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