The meaning of the C1508 Code is necessary to know for solving the car engine problem and if the real meaning of the code is found, you may follow the general meaning but you should be careful. The engine code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 5 for Computer And Auxiliary Outputs. 0 for IC Circuit High Voltage and 8 for PCM Stack Overrun. C1508 engine code seems a kind of chassis problem and it is easy to solve at the cheap rate. A test drive is recommended.