The car engine P2776 Code helps to fix the car engine when the right meaning of the code is found from the car manufacturer. If the real meaning of the code is not available, then depend on the general meaning and the general meaning of the car engine P2776 Code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 7 for Auxiliary Emission Controls. 7 for Vehicle Speed Output Circuit and 6 for Cruise Control System – Vehicle Accel Too High. This general meaning of the code can be used only the actual meaning of the code is not found.