The general meaning of the C1268 Code is found online and meaning of the code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor 1 Performance. 6 for Control Module Throttle Actuator Position Performance and 8 for PCM Stack Overrun. This code is related with the car chassis and due to the car chassis problem, the engine code has appeared. The engine C1268 code resolves the synchronizer pin what is unconfined by the hydraulic compression which is measured by a devoted solenoid.