The automobile meaning of the engine C1837 Code is not helpful but it is available online. The general meaning of the engine code is known as automobile meaning of the code. For the code C1837, the general meaning of the 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. 3 for Cruise Control Servo Indicates Low and 7 for Cruise Inhibit Control Circuit. If you do not know how to solve the car engine problem and if you have no machine, do not try to fix the car engine.