1, urea regulating valve controls high-level circuit break-12 hole pin arrangement fault code: 452: urea regulating valve controls circuit break, 45 1: urea water pump motor drives circuit break. Trouble: The trouble light and OBD light are always on, so urea is not needed.
2. The accumulation pressure of 2.SCR urea is incorrect. Fault: After several minutes to ten minutes, the fault light and OBD light of the engine are on, indicating 441(the established pressure of SCR SCR system is invalid), and urea is not needed.
3. The fault indicator light of the vehicle is generally yellow to warn the driver. When the vehicle has a major fault, the alarm signal is generally red. Running a red light is very serious, which will have a great impact on driving, such as brakes, seat belts, engine temperature, braking system, oil level warning lights and so on.
After opening its official website, click the maintenance guide to find the new version of M3000 maintenance manual, and you can see the specific fault code information. Detailed view method is as follows:
Enter Shaanxi Automobile Holdings on computer Baidu, find its official website, and click Enter. After entering the website, click the product center, select heavy truck to enter, click to enter the website in the heavy truck interface that appears, and click the service center after the page jumps.
Click maintenance guide on the service center page that appears, and turn the page in the maintenance guide interface that appears to find M300 maintenance manual to enter. At this time, after the page jumps, you can see the information of M3000 fault code.