Trouble code P1789 means: Hydraulic Pressure Switch: OD/2-4
P1789-OD/2-4 HYDRAULIC PRESSURE SWITCH CIRCUIT
P1789-od/2-4 pressure switch circuit.
i just got that code on my 95 Chrysler lhs, and it means the throttle position sensor (tps) is bad or the wiring to it.
the code p070 means Transmission Control System Malfunction
PCM internal failure, computer has failed.
p1784 l-r pressure switch sense circuit and p1789 od/2-4 hydraulic pressure switch circuit.
Code 41 means an open or shorted condition detected in the generator field control circuit
Trouble code P0441 means: Evaporative Emission System Incorrect Purge Flow
Trouble code P0302 means: Cylinder 2 Misfire Detected
Trouble code P1296 means: No 5 volts to MAP sensor
Trouble code P1698 means: No CCD Messages Received From The TCM
Trouble code P1296 means: No 5 volts to the MAP sensor