P1790: Fault Immediately After Shift P076A seems indicates that there is an electrical problem with the Direct Clutch Solenoid Circuit. But when the description of the code given by the manufacturer is carefully read, it could also mean a performance problem may be the cause. Error Code P1776 is defined as Transmission Control Switch Circuit is Out of Self-Test Range. It is set when the KOER self-test TCS is not cycled. Error Code P1790 is defined as Fault Immediate After Shift. This error code is a manufacturer-specific trouble code, meaning it does not apply to all vehicles makes. PO700 is like a master code, other failures will cause the code to be thrown, but the code for the original failure will be stored in the computer and can only be read with a code reader. Bring it to autozone or someplace that reads codes and it'll tell you the code that caused the PO700 code to be thrown. Gear 1 Incorrect Ratio. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model.