What are the reasons for battery failure displayed in new energy vehicles?

1 Answers
JeremiahLynn
07/29/25 4:09pm
Here are possible causes: 1. Fuse blown. 2. Loose wiring connector. 3. Power switch failure. 4. Motor malfunction. 5. Water ingress causing short circuit and motor burnout. 6. Motor overload operation leading to commutator short circuit and burnout. Here are the solutions: 1. Replace blown fuse. 2. Replace faulty power switch. Testing method: Turn on power switch, measure resistance between input and output terminals with multimeter ohmmeter - zero resistance indicates normal, infinite resistance indicates switch failure. 3. Accelerator failure. Measure accelerator output voltage with DC voltmeter - voltage presence indicates normal operation, absence indicates accelerator failure requiring replacement. 4. Controller failure requiring replacement. Measure controller output voltage with multimeter - presence indicates good condition, absence indicates failure. 5. Motor burnout requiring motor replacement.
Was this review help?
6
2
Share
More Forum Discussions

Why is my Mistra consuming 12 liters per 100km?

This could be caused by driving habits such as rapid acceleration and hard braking. Here are some fuel consumption related factors: 1. Habits & Road Conditions: Fuel consumption is heavily influenced by driving habits and road conditions. Avoid stomping on the accelerator - gradual acceleration from a start is most fuel-efficient. To save fuel, avoid heavy throttle application during startup, as this can increase fuel consumption by 2-3 times compared to normal acceleration. 2. Braking: Maintaining proper following distance to avoid frequent braking saves even more fuel. Without adequate spacing, you'll often need to brake on roads. When braking, automatic transmission vehicles downshift, requiring the engine to work harder to regain speed from lower gears. Starting from standstill or low gears forces the engine to consume significantly more fuel.
3
5
Share

What are the functions of the center control buttons in the GL8 Landmark?

On the left are the cruise control, voice control, and phone function buttons; on the right are the volume control, track switching, and multi-function dashboard control buttons. Below is a detailed introduction about Buick: 1. Background: The Buick logo features three shields enclosed in a circle. The arrangement conveys a sense of high starting point and continuous ascent, symbolizing a spirit of proactive advancement and relentless climbing. Its origin can be traced back to the coat of arms of David Dunbar Buick, a Scottish pioneer and founder of the automobile industry. The family emblem, like the name itself, forever commemorates David Dunbar Buick, who single-handedly built Buick automobiles and ushered in the birth of the world's largest automaker—General Motors. Buick vehicles are characterized by high horsepower, individuality, practicality, and sophistication. 2. Company Profile: Buick was initially an independent automobile manufacturer. On May 19, 1903, David Dunbar Buick, with the assistance of the Briscoe brothers, founded the Buick Motor Company in the United States.
5
1
Share

Can You Make a Left Turn in a Tidal Lane?

Tidal lanes allow left turns, but drivers must follow the actual traffic signal instructions. Here are specific details about tidal lanes: 1. Introduction: A tidal lane, also known as a variable lane, refers to a lane where the direction of traffic can change based on the varying traffic flow during peak and off-peak hours. This is implemented on suitable roads to test adjusting lane directions during different time periods. The direction of traffic is controlled by lane signal lights, altering the number of lanes available for specific directions. 2. On-site Control: If the left-turn lane is congested while the straight lane has light traffic, traffic police can use a remote control to switch the straight lane to a left-turn lane in less than a minute. The lane direction can change in real-time according to traffic flow, effectively managing congestion by redirecting vehicles from crowded lanes to less congested ones.
7
3
Share

Where is the Envision's external circulation button?

auto right side second button press once light on is external circulation, light off is internal circulation: 1. Location: On the car's air conditioning panel, there are two simplified vehicle pictograms. One shows an arrow circling inside the vehicle body - this is the internal circulation button. The other shows an arrow blowing inward from the windshield - this is the external air intake or external circulation mode button. Some vehicles have mechanical lever-type AC controls with similar pictogram markings at both ends of the lever, serving the same function. The Buick Envision defaults to external circulation being enabled: 2. External circulation maintains airflow: In external circulation mode, the fan draws outside air into the vehicle, maintaining airflow between the exterior and interior. The fan blows outside air, and even when the fan is off, driving motion creates airflow into the cabin to replenish fresh air, which explains why you might feel airflow even with the fan turned off.
19
3
Share

What is the difference between 2.0t and 1.5t engines in cars?

The differences between 2.0t and 1.5t engines in cars are as follows: 1. Different fuel consumption: On ordinary roads, considering the vehicle's own weight, the 1.5t engine consumes more fuel than the 2.0t during the initial acceleration phase because turbo engagement requires RPM support. On highways, the 2.0t engine has higher fuel consumption, while the 1.5t, with its smaller displacement, is more economical. 2. Different comfort levels: The 1.5t engine may experience some jerkiness when driving in congested areas as the turbo alternates between working and not working. In contrast, the 2.0t engine operates more smoothly under such conditions. 3. Different maintenance costs: The maintenance cost for the 2.0t engine is relatively higher. If you prioritize power, it is recommended to purchase a 2.0t engine. However, from a maintenance perspective, the 1.5t engine is more advisable.
9
3
Share

What does the red flashing of the Passat's temperature gauge indicate?

Passat's temperature gauge flashing red indicates: there is a problem with the engine cooling system or a lack of coolant. Taking the 2020 Passat as an example, it belongs to the mid-size car category, with body dimensions of: length 4933mm, width 1836mm, height 1469mm, a wheelbase of 2871mm, and a curb weight of 1470kg. The 2020 Passat features a front suspension of MacPherson independent suspension and a rear suspension of multi-link independent suspension. It is equipped with a 1.4T turbocharged engine, delivering a maximum horsepower of 150PS, a maximum power of 110kW, a maximum torque of 250Nm, paired with a 7-speed dual-clutch transmission.
15
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.