The C1124 Code is linked with the car engine and it comes when the car engine is tested. Do not drive the car with the faulty engine. You should know the general information about the code and meaning of the code is necessary to use. Th general meaning of the code C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 1 for Transmission. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 4 for Cruise Vehicle Speed/Set Speed Difference Too High. Now you do not need to use the general meaning for solving the problem.