The engine code C1700 OBD2 gives information about a sensor fault, change of the sensor is improbable to solve the original problem. The responsibility is the most likely to be produced by the schemes that the sensor is monitoring, but might even be produced by the cabling to the sensor itself. There are now 2 main kinds of cylinder deactivation methods used today, dependent on the sort of the engine. The engine C1700 code for the pushrod style which uses solenoids to change the oil heaviness carried to the lifters. In their distorted state, the lifters are incapable to raise their companion pushrods under the regulator rocker arms, ensuing in valves that cannot be activated and continue closed.