What does OBU anti-tamper failure mean?

[VonEzra]

OBU being disassembled may be due to the user privately removing or moving the OBU device, causing it to fail. It could also be because the ETC electronic tag fell off or became loose, triggering the anti-collision and anti-tamper switch, leading to OBU failure. In such cases, it is necessary to visit the ETC service point at the highway management office to reactivate the OBU. Below are the relevant details: 1. Unauthorized disassembly: Once the electronic tag is installed, it must not be disassembled without permission. If disassembled, the anti-tamper switch on the electronic tag will be triggered, causing the internal push rod to extend, rendering the ETC ineffective. When passing through the ETC lane on the highway, it will display "OBU (electronic tag) tampered" and normal passage will be denied. 2. Reset application: If the ETC tag fails, you can visit the bank branch that handles ETC services or the highway service office to apply for a reset.

[VonChristian]

Hey, an OBU anti-tamper failure is no small matter. As a buddy who frequently drives long distances, I gotta say a few words. The OBU is that little ETC box in your car that automatically deducts toll fees at stations—super convenient. The anti-tamper function is its safeguard; once the device is removed or tampered with, it should immediately lock and become unusable to prevent theft or fraud. 'Failure' means this protection isn’t working—the device still functions normally even after being removed. Isn’t that ridiculous? A friend of mine had his ETC film loosen, and after reattaching it, the system kept charging him. Turns out, vibrations jammed the anti-tamper switch. My advice: first, check if it’s firmly stuck to the windshield—don’t poke at it randomly. Take it to a professional shop to test its status with tools. This kind of mess-up on the highway not only costs extra money but could also lead to fines. Safe driving is the top priority, and regular OBU maintenance can prevent big headaches. Bottom line: if there’s an issue, deal with it ASAP—don’t delay.

[Max]

As a new driver, I couldn't understand what OBU anti-tamper failure meant, but later realized it's quite simple. The OBU is that ETC box in the car, and anti-tamper is a feature to prevent removal; failure means it can still function after being removed without locking. Possible causes include loose adhesive position, damaged internal components, or environmental interference. I encountered this during my first drive when ETC recognition errors led to discovering the issue. The solution is not to tamper with it yourself but to drive to a toll station or repair shop for inspection with a detector. Just develop a habit of regular checks during daily use - it's not complicated, and ensuring safe passage is the key.