What is the solution for trouble code P2238?
1 Answers
p2238 trouble code means low oxygen sensor positive current circuit. The solution is as follows: After the car troubleshooting, it is generally necessary to clear the fault code. When clearing the code, it must be cleared according to the specified method for the corresponding model. Otherwise, the following two abnormal situations may occur: 1. Some models' control center computers will lose normal records. Some models' control computers have automatic memory function. After removing the negative ground wire of the battery, the engine operation data stored in RAM will be lost, which will cause the car's performance to be average for a long time after repair, or after driving for a while, the cleared fault code will reappear. 2. It will also cause the loss of some functions, such as audio lock is one of the more common examples. At this time, it is necessary to decrypt the audio system according to a more complicated procedure to restore the normal operation of the audio system.