The automobile meaning of the engine C1886 Code is very ordinary thing and it is not necessary to use but you can easily get the meaning of the engine code from online. The general meaning of the engine code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 8 for Ignition System Or Misfire. 8 for Exhaust Gas Recirculation System Valve 1 and 6 for Cruise Control System – Vehicle Accel Too High. It would maybe be useful to prudently inspect the wire bind near the intake various bracket. This is done the most easily from below the car in the zone near the oil filter.