What does Code c1201 mean for a 2008 Toyota Tundra 5.7?

The C1201 code in the 2008 Toyota Tundra indicates a malfunction in the engine control system. It can be caused by the fuel injection system or thrown in conjunction with other codes. Two common codes You may see is P0455 and P0441. Both codes will tell You there is an emission leak somewhere in the system. It can be something as simple as a loose fuel cap or a more serious larger evaporation leak. The purpose of the C1201 code in this case is to trigger the Check Engine light as well as to disable traction and the vehicle stability control. To clear the code You would need to rectify the issues associated with the other codes and clear those first.