The real meaning of the C1261 Code is found from the car manufacturer and automobile engineer needs to seek the real information of the car engine. The automobile dictionary 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 1 for TFP Valve Position Switch-Drive Without Drive Ratio. Diffusion of cylinders is achieved by releasing a synchronizer pin that normally interlocks the cam follower and rocker arms. The engine C1261 code determinations the synchronizer pin is unrestricted using hydraulic pressure which is precise by a devoted solenoid.