What is the reason for the BYD Han door handle malfunction?

[MacMaci]

The reason for the BYD Han door handle malfunction is the oxidation of the sensor module's pins. Here is some relevant information about the BYD Han: 1. Introduction: The BYD Han is a flagship new energy model launched by BYD Auto in 2020, marking BYD's new energy vehicles moving towards the mid-to-high-end market. 2. Exterior: The front face design adopts a closed-style approach, which is simple and elegant. Unlike previous models, the new car's design transforms the dragon's mouth into a flat design, lowering the front stance. Combined with horizontal lines, the entire front end has a very low and sleek visual effect. Below the LED daytime running lights are the vehicle's main light sources, featuring three lenses that resemble dragon eyes, giving them a vivid and spirited appearance.

[MacIsaac]

I recently drove a BYD Han and noticed that the door handles are prone to issues, especially when they get stuck while popping out. The reasons vary, but the key problem lies in minor electronic system malfunctions, such as sensors being less responsive or motors reacting slowly. This happens more frequently in cold winter temperatures, as low temperatures cause parts to contract and stick. Software bugs are also a factor—for instance, if the infotainment system update isn’t properly synchronized, it may cause the handles to fail to retract or extend properly. External conditions add to the trouble: in dusty environments, buildup can clog the internal mechanisms within weeks, affecting the spring action. Additionally, mechanical failures like broken pivots or loose springs are common, and frequent use accelerates wear. To fix it, first check if there’s a door handle calibration option in the central control settings, clean the tracks, or perform a system reboot. If that doesn’t work, take it to a 4S shop for a professional inspection—don’t force it yourself, as damaging the battery or control module could make things worse. For prevention, park in clean areas to minimize sand and debris intrusion.

[SanReese]

I've been driving the BYD Han for quite some time and have encountered door handle malfunctions several times. The main issues stem from circuitry and daily wear and tear. Aging wiring is a major cause—over time, wires can break or connectors may develop poor contact, leading to signal transmission failure. Secondly, the drive motor inside the door handle might burn out, especially during rainy or high-humidity conditions where electrical leakage and short circuits accelerate damage. Sometimes, it's simple obstructions like small stones or leaves getting stuck in the gaps, preventing the handle from retracting. Additionally, factory assembly might be slightly loose, and prolonged driving on bumpy roads can cause screws to loosen or shift, affecting smooth operation. I recommend gently wiping around the handles weekly to keep them clean and avoid moisture buildup. If a problem occurs, don’t panic—try disconnecting the power for a few minutes and restarting the system. If it happens repeatedly, it’s best to have a professional mechanic perform a thorough repair for peace of mind, as it can be inconvenient for entry/exit and drain battery power.

[SanLouis]

We have a BYD Han at home for picking up the kids, and the door handles occasionally not working is quite a headache. The reasons are often due to excessive use leading to part wear, such as the spring losing strength from too many openings and failing to pop out. Electronic sensors are also prone to malfunction, possibly due to dirty sensing areas or slow response. Additionally, minor system bugs like incomplete software updates can cause control commands to go haywire. From a safety perspective, this poses significant risks—if the door gets stuck and won't open in an emergency, it could be problematic. Daily care includes gently pulling the handle and regular inspections. Simple maintenance like spraying some lubricant or cleaning the slots can help. If the issue persists, take it to a 4S shop for module checks and part replacements to prevent it from escalating into a major problem.

[McSophie]

As someone who prioritizes driving safety, I am particularly concerned about the potential door handle failure risks in the BYD Han. The main causes include motor burnout or moisture corrosion leading to electrical failure, especially evident during the rainy season. Structural design issues such as spring breakage or pivot wear are also common, with repeated operations weakening the spring force. Temperature has a significant impact—expansion causing jams in hot weather and contraction leading to freezing in cold conditions. Software control errors, such as system response delays, further exacerbate the problem. My biggest worry is that a malfunction could delay door opening, creating emergency risks. I make it a habit to quickly test the handle's smoothness before each trip and seek professional repair immediately if any issues are found—never skimping on this small expense for safety's sake.