The general or automobile meaning of the C1496 Code is not helpful for solving the car engine problem. The general meaning of the code is available online and the automobile meaning of the code is found online and it is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 4 for Transmission. 9 for Crankshaft Position Sensor Circuit Performance and 6 for Cruise Control System – Vehicle Accel Too High. The C1496 engine code seems a kind of chassis problem and this problem of the car engine is easy to fix.