The engine code P203A is the main thing what you need to check is to validate the operation of the VCT solenoid. You are looking for a stabbing or stuck VCt solenoid valve instigated by corruption. Refer to vehicle precise repair manual to achieve component tests for the VCT unit. Vehicle Speed Sensor (VSS) Out of Self-Test Choice Specifies the VSS input signal is out of Self-Test range. If the PCM senses a VSS input indication any time during Self-Test, a DTC P1501 will be set and the examination will abort. Do not use this car until the car engine is fixed.