Your best bet would be to take your vehicle to a ASE certified professional . You do not have the tools to diagnose this or the information.
DTC P0753
The 1-2 shift solenoid (1-2 SS) valve controls transmission fluid pressure acting on the 1-2 shift valves to position the valves for the appropriate gear. The 1-2 SS valve is a normally-open exhaust valve located on the control valve body. A fused circuit supplies ignition voltage to the 1-2 SS valve. The PCM commands the solenoid ON or OFF by switching the ground path. When the 1-2 SS valve is commanded ON, the PCM senses low voltage. When the 1-2 SS valve is commanded OFF, the PCM senses high voltage. Refer to
Shift Solenoid Valve State and Gear Ratio .
If the PCM detects a continuous open, short to ground or short to power in the 1-2 SS valve circuit, then DTC P0753 sets. DTC P0753 is a type B DTC.
DTC P0753 sets when one of the following conditions occurs for 5 seconds:
Condition 1
The PCM commands the solenoid ON and voltage feedback remains high, B+.
Condition 2
The PCM commands the solenoid OFF, and the voltage feedback remains low, 0 volts.
DTC P0758
The 2-3 shift solenoid (2-3 SS) valve controls transmission fluid pressure acting on the 1-2 and 2-3 shift valves to position the valves for the appropriate gear. The 2-3 SS valve is a normally-open exhaust valve located on the control valve body. A fused circuit supplies ignition voltage to the 2-3 SS valve. The PCM commands the solenoid ON or OFF by switching the ground path. When the 2-3 SS valve is commanded ON, the PCM senses low voltage. When the 2-3 SS valve is commanded OFF, the PCM senses high voltage. Refer to
Shift Solenoid Valve State and Gear Ratio .
If the PCM detects a continuous open, short to ground or short to power in the 2-3 SS valve circuit, then DTC P0758 sets. DTC P0758 is a type A DTC.
Conditions for Setting the DTC
DTC P0758 sets when one of the following conditions occurs for 5 seconds:
Condition 1
The PCM commands the solenoid ON and the voltage feedback remains high, B+.
Condition 2
The PCM commands the solenoid OFF and the voltage feedback remains low, 0 volts.
What's this p91860 , no such code .