The dictionary meaning of the C1097 Code is necessary thing for general information and it is not highly used. You have to use the genuine meaning of the code. The general meaning of the code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 0 for Fuel And Air Metering. 9 for Crankshaft Position Sensor Circuit Performance and 7 for Cruise Inhibit Control Circuit. This code has come for the Chassis problem and it is easy to fix the problem. Do not drive the car with faulty problem of the car engine.