Study about this car engine P2464 Code to learn about the problem of the car engine. The meaning of the car engine code helps you to understand the problem of the car engine. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 4 for Transmission. 6 for Control Module Throttle Actuator Position Performance and 4 for Cruise Vehicle Speed/Set Speed Difference Too High. So, you can easily understand about the car engine problem but you must allow an expert automobile engineer to check and solve the car engine issue.