Why does the Toyota Camry trunk open by itself?

[MollyLynn]

Toyota Camry trunk may open by itself due to a malfunction in the trunk lock. If this issue occurs, replacing the trunk lock should resolve it. The Camry is a mid-size sedan from Toyota, featuring a MacPherson independent front suspension and an E-type multi-link independent rear suspension. This model is equipped with two types of engines: a 2.0-liter naturally aspirated engine and a 2.5-liter naturally aspirated engine. The 2.0-liter engine delivers 178 horsepower and a maximum torque of 210 Nm, with a maximum power output at 6,600 rpm and peak torque between 4,400 to 5,200 rpm. The 2.5-liter engine produces 209 horsepower and a maximum torque of 250 Nm, achieving maximum power at 6,600 rpm and peak torque at 5,000 rpm.

[SanVivian]

I own a Toyota Camry and have encountered a similar issue where the trunk frequently opens by itself, causing me to lose items several times. The reason might be that the remote key was pressed accidentally in my bag, triggering the button. Alternatively, it could be due to a stuck or worn-out trunk button caused by aging. During inspection, I found a short circuit in the wiring, which became more noticeable after rain, leading to signal errors. I recommend trying a new key cover or keeping the key at home. Modern car sensors are sensitive and prone to issues, so for safety, get it repaired promptly to avoid theft. A sudden trunk opening while driving is dangerous—don’t skimp on costs; visit a professional shop for diagnosis. Since then, I’ve been regularly checking the button, and the problem hasn’t recurred—it’s been quite hassle-free.

[DominicLee]

I remember that day when I was driving, the trunk of my Toyota Camry suddenly popped open, and the rain soaked all the luggage. I think it was probably because the remote key was in my pants pocket and got accidentally pressed, triggering the button. It could also be that the trunk switch was old and stuck, opening with just a light touch. I took it apart to check and found some loose wiring causing poor contact, leading to circuit malfunctions. Don’t panic—first, test the key’s distance; try standing farther away to see if it still opens. If it does, it’s likely a sensor or system malfunction, so head to the repair shop ASAP. Smart cars are prone to interference, so always lock up when parked to prevent theft. I’ve learned my lesson—now I keep the key securely in the inner pocket of my backpack, convenient and worry-free.

[VonEvelyn]

The trunk opening by itself is really annoying. I’ve experienced it with my Toyota Camry. It’s usually caused by an electronic system bug or a faulty remote module. Weak signals from a nearly dead key battery might trigger errors. Or, the button could be short-circuited due to water damage or rust, especially on humid days. A quick check: avoid placing heavy items on the switch. For serious cases, visit a 4S store to replace parts. Safety first—avoid sudden openings on highways to prevent collisions, which would be even more troublesome.