How to handle the u112300 fault?
2 Answers
u112300 fault is the vehicle fault value received by the total data. The solution is to check the communication line of the lost communication module by plugging in the gateway, find the breakpoint and repair it to restore normal operation. It is recommended to go to a 4S shop and use a professional computer to read and repair it. Here is some extended knowledge about fault codes: 1. After troubleshooting a car fault, it is generally necessary to clear the fault code. 2. When clearing fault codes, it should be done strictly according to the specified fault code clearing scheme for the specific vehicle model. Be careful not to remove the negative ground wire of the battery casually to clear the fault code. Otherwise, the following two abnormal situations may occur: （1）Cause some models' control center computers to lose normal records. Because some models' control computers have an automatic memory function, removing the negative ground wire of the battery easily will lose the engine operating data stored in RAM, making the car perform poorly for a long time after repair, or the cleared fault code may reappear after driving for a while. （2）May cause the loss of some functions. For example, the audio lock function is one of the common situations. At this time, it is necessary to follow a very troublesome repair procedure to unlock the audio system to restore its normal function.
U112300 fault usually indicates communication issues, such as CAN bus system errors. When I encountered this code myself, I first used an OBD scanner to confirm the error details. Common causes include loose wiring connections or module failures - for instance, my car previously experienced communication interruption due to aged wire connectors. I checked the wiring harness with a multimeter and fixed it by securing the loose connection. If you're not mechanically inclined, I recommend visiting a repair shop promptly as it may affect brake lights or instrument cluster functions. During routine maintenance, remember to clean engine compartment dust to prevent such issues. Overall, don't ignore minor faults; early repairs save trouble.
