The automobile meaning of the C1407 Code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 4 for Transmission. 0 for IC Circuit High Voltage and 7 for Cruise Inhibit Control Circuit. The C1407 engine code is a kind of chassis problem and it is easy to solve. The engine code C1407 OBD2 reports a sensor fault, it is replacement of the sensor which is improbable to solve the original problem. The burden is the most likely to be instigated by the systems that the device is monitoring, but might even be produced by the cabling to the sensor itself.