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What does VCU mean in new energy vehicles?

2 Answers
VanRosalie
07/29/25 12:32am
VCU in new energy vehicles is the core electronic control unit that realizes vehicle control decisions. The following are relevant introductions: 1. Information: The VCU determines the driver's driving intention by collecting signals from the accelerator pedal, gear, brake pedal, etc.; it monitors vehicle status information (such as speed, temperature, etc.). 2. Function: After processing by the VCU, it sends control commands for the vehicle's operating status to the power system and power battery system, while also controlling the working mode of the vehicle's accessory power system. The VCU has functions for diagnosing, protecting against, and storing faults in the entire vehicle system.
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SanAndrew
08/12/25 4:46am
The VCU is a super important control center in new energy vehicles, acting as the overall commander of the car. I usually enjoy studying the electronic systems of electric vehicles, and the VCU is the key brain that coordinates components like the battery, motor, and charging. Its full name is Vehicle Control Unit, and it is primarily responsible for ensuring all components work together—for example, managing battery charging and discharging to prevent overheating and adjusting motor power to improve efficiency. While driving, the VCU optimizes the driving experience through real-time sensor data, such as ensuring smooth acceleration or extending range. Technological advancements have made VCUs smarter, enabling them to predict road conditions or automatically adjust settings. If the system malfunctions, it may cause charging issues or power loss, so regular software updates are crucial. Understanding these aspects can help you choose a better car and enhance travel efficiency and safety.
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How many points are deducted and what are the penalties for not wearing a seatbelt on the highway?

When driving on highways or urban expressways without wearing a seatbelt, a fine of 50 yuan will be imposed, and 2 points will be deducted. If a passenger fails to wear a seatbelt as required while the vehicle is traveling on the highway, a fine of 20 yuan will be imposed. When driving on roads other than highways or urban expressways, if the driver does not use a seatbelt as required, a fine of 50 yuan will be imposed, but no points will be deducted. Penalties vary depending on the type of road, as detailed below: When driving on a highway, if the driver fails to use a seatbelt as required, a fine of 200 yuan will be imposed, and 2 points will be deducted. When driving on urban expressways (such as riverside roads, ring roads, etc.), if the driver fails to use a seatbelt as required, a fine of 200 yuan will be imposed, and 2 points will be deducted. When driving on other roads, if the driver fails to use a seatbelt as required, a fine of 50 yuan will be imposed. The role of seatbelts: To counteract the deceleration during a collision, preventing the driver and passengers from experiencing a second impact with objects such as the steering wheel, dashboard, or windshield. Additionally, the extension effect of the seatbelt can further cushion the force of deceleration.
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Is it necessary to go to a 4S store to buy a car?

It is not always necessary to go to a 4S store when buying a car. There are various ways to purchase a car, including not only buying from a 4S store but also from auto trading stores, second-hand markets, or even online. Here are the details: 1. Buying from a 4S store: Purchasing from a 4S store ensures quality and includes follow-up services such as maintenance and repairs. However, the downside is that the prices are generally higher. 2. Buying from an auto trading store: This is equivalent to purchasing from a secondary dealer. While this method offers cheaper prices, the quality of cars can vary. Some auto trading stores may mix inventory cars with problematic ones, and there may be issues with the car's warranty. It is crucial to clarify all related questions when buying from an auto trading store to avoid unnecessary trouble. 3. Buying from a second-hand market: Most cars in second-hand markets are used. If you don’t mind the car’s condition, you can look for "quasi-new cars" there. However, the market is mixed with varying prices, and it’s advisable to bring a professional to prevent being scammed. 4. Buying online: This is a new way to purchase cars, mainly for some new energy vehicles or small cars. After selecting the model and configuration on the car’s official website, you can pay a deposit or the full amount, and the car will be delivered directly to your home, greatly improving the purchasing experience. The downside is that you cannot negotiate the price, and the available models are limited.
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Which country does Mercedes-Benz come from?

Mercedes-Benz comes from Germany. Here is more information about Mercedes-Benz: 1. Mercedes-Benz, in German: Mercedes-Benz, is a German automobile brand known for its luxury and high performance, headquartered in Stuttgart, Germany, and is a member of Daimler AG. 2. Mercedes-Benz is renowned for its perfect technical level, high-quality standards, innovative capabilities, and a series of classic coupe models. 3. The Mercedes-Benz automobile company was founded in 1926 by Karl Benz and Gottlieb Daimler. Its predecessors were the Benz automobile factory and the Daimler automobile factory, established in 1886. The two factories merged in 1926 and were called Daimler-Benz Automobile Company. 4. The Mercedes-Benz logo is a three-pointed star, symbolizing the ambition to conquer land, sea, and air. This emblem was created after the merger of Daimler and Benz. 5. The original trademark of Daimler was a three-pointed star, while the Benz trademark was the word 'Benz' within a double circle. After the merger, the Daimler-Benz trademark became a three-pointed star within a single circle. Making the three-pointed star shine globally has been the dream of Mercedes-Benz for over a hundred years and its relentless pursuit. 6. Mercedes-Benz's headquarters is located in Stuttgart, Germany, with series models including A-Class, B-Class, C-Class, CL-Class, CLK-Class, CLS-Class, E-Class, S-Class, SL-Class, SLC-Class, SLK-Class, SLR-Class, G-Class, GL-Class, GLK-Class, and AMG, among others, which are very popular in all regional markets worldwide.
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What causes insufficient power when the Wuling Rongguang's accelerator is fully pressed?

Insufficient fuel pressure in the engine's fuel system, poor performance of the ignition system, or a clogged three-way catalytic converter can all lead to insufficient power when the Wuling Rongguang's accelerator is fully pressed. Low fuel system pressure or insufficient fuel supply: Common causes include a clogged fuel filter, excessive wear of the fuel pump, clogged or leaking fuel injectors, or a faulty fuel pressure regulator. These issues can result in abnormal fuel supply, leading to insufficient combustible mixture entering the engine and thus reduced power. It is necessary to check whether the fuel system is functioning properly and perform maintenance. Poor ignition system performance: Components such as the ignition coil and spark plugs in the ignition system are wear-prone parts and typically need replacement every 50,000 to 80,000 kilometers. If not replaced for a long time, insufficient ignition energy can prevent the complete combustion of the combustible mixture in the cylinders, leading to significantly reduced power. The performance of ignition system components should be checked and replaced if necessary. Clogged three-way catalytic converter: Once the three-way catalytic converter is clogged, the oxygen sensor cannot function properly, greatly affecting the accuracy of the oxygen sensor signals received by the engine. This directly results in inaccurate control of fuel injection, air intake, and ignition, causing power loss and weak acceleration. Typically, when the three-way catalytic converter is clogged, the engine's fault light will illuminate, alerting the owner to check promptly. The three-way catalytic converter should be cleaned or replaced.
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Why Won't My Buick Envision Start?

Here are the specific reasons why the car won't start: Fuel system issues: Clogged low-pressure fuel line, loose or leaking fuel pipes, air in high-pressure fuel line, poor technical condition of fuel injectors, incorrect fuel injection timing angle. Starting system issues: Power supply failure, poor contact of electromagnetic switch, poor contact between starter motor commutator and brushes, clutch slippage in starter transmission mechanism. Insufficient cylinder compression pressure: Damaged cylinder head gasket causing air leakage, improper valve closure leading to air leakage, worn piston and cylinder liner causing air leakage. Insufficient air intake: The usual cause of insufficient air intake is a clogged air filter element.
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