What's the matter with double flashes that keep flashing?
In the past 10 days, the issue of vehicles’ double flashing lights having been flashing has become a hot topic, with many car owners discussing this phenomenon on social media and automotive forums. This article will combine the hot topics on the Internet to provide you with a detailed analysis of the causes, solutions and precautions for the abnormal flashing of the dual flash.
1. Common causes of abnormal flashing of double flashes
| Cause classification | Specific performance | probability of occurrence |
|---|---|---|
| circuit failure | Damaged relay/short circuit | 35% |
| switch problem | Emergency switch stuck/poor contact | 25% |
| System false trigger | Anti-theft system false alarm | 20% |
| Control module failure | BCM body control module abnormality | 15% |
| other reasons | Modified circuit/water ingress, etc. | 5% |
2. Analysis of hot topics on the entire network
According to data monitoring in the past 10 days, the three issues that netizens are most concerned about are:
1.How to quickly determine the source of the fault: 62% of the discussions focused on fault identification techniques, such as listening to relay sounds and observing flash frequency.
2.Repair cost comparison: 28% of the posts are comparing the price difference between 4S stores and roadside repair shops. The following are repair quotes for popular models:
| car model | 4S store quotation | Repair shop quotation |
|---|---|---|
| Volkswagen Lavida | 300-500 yuan | 150-300 yuan |
| Toyota Corolla | 400-600 yuan | 200-350 yuan |
| Haval H6 | 250-400 yuan | 120-250 yuan |
3.Discussion of safety hazards: 10% of the contents warn that if left untreated for a long time, the battery may lose power or the circuit may overheat.
3. Step-by-step solution
Step One: Basic Check
1. Confirm whether the emergency switch is accidentally touched
2. Check whether the vehicle has any alarm prompts
3. Observe whether other lights are normal
Step Two: Professional Diagnosis
1. Use a diagnostic tool to read the fault code
2. Test the working status of the relay
3. Check line continuity
4. Sharing of real cases from car owners
| Case number | car model | Fault phenomenon | solution |
|---|---|---|---|
| Case-20231125-1 | Nissan Sylphy | Double flashes last for 30 minutes after locking the car | Replace door lock sensor |
| Case-20231128-3 | BYD Song | Flashes from time to time while driving | Repair wiring harness shorts |
| Case-20231201-7 | Honda Accord | Automatically flash frequently on rainy days | Replace the BCM control module |
5. Prevention Suggestions
1. Check the circuit system regularly, especially for older vehicles
2. Avoid unauthorized modification of electrical equipment
3. Pay attention to protecting the relay box when washing the car
4. Perform timely repairs when abnormalities occur to prevent small problems from becoming larger.
6. Special reminder from experts
Heavy rainfall has occurred in many places recently, and the number of circuit short circuits caused by rain has increased by 37%. It is recommended that car owners:
- Check the engine compartment for tightness
- Try to choose a dry location when parking
- If you find any abnormal lighting after rain, you should investigate immediately.
From the above analysis, it can be seen that although the abnormal flashing of the double flashlight appears in a single form, it may involve multiple causes of failure. It is recommended that car owners take appropriate measures according to the specific situation and seek professional help when necessary to ensure driving safety.
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