The meaning of the engine P260E Code is very important thing. The problem of the engine is located Diesel Particulate Filter Regeneration Lamp Control Circuit. Find the real meaning of the code. The real meaning of the code is set by the car manufacturer. However, you need to check the car engine and find the real cause of the car engine problem. Once the car engine problem and cause are identified, you should take step for solving the car engine. Do not drive the car until the car engine is ok. Once the car engine is ok, you may use the car for a test drive.