Do not rely on the automobile dictionary meaning of the engine U1241 Code. The automobile dictionary meaning of the code is U for OBD-II Diagnostic Network (U) Trouble Code For Engine. 1 for Intake Valve Control Solenoid Circuit Low. 2 for Engine Oil Temperature Sensor Malfunction. 4 for Cylinder 10 Contribution/balance Fault and 1 for Reverse Input Circuit. You can fix the car engine if you know how to solve the car engine. You may face terrible problem in the car engine if you do not know how to solve but you have tried to solve the car engine. Ask the car engineer to fix this issue.