CAR OBD CODES

P0783 OBD Code Definition:
P0783 3-4 Shift Malfunction
P0783 OBD Code Description:

OBD2 Code P0783 Definition:
This P0783 code indicates that the 3-4 shift valve in the valve body is locked in the direction of the spring compression. The Transmission Control Module (TCM) controls the gearshifts by turning the shift solenoid valves “ON/OFF” and switching oil pressure to the valves in the valve body. The TCM calculates the “actual” transmission gear by comparing the signals from the input speed sensor and the output speed sensor. Symptoms

Possible sumptoms of P0783
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission may not shift to the next gear. Possible Causes

Possible causes of P0783
– Low transmission fluid level – Dirty transmission fluid – Faulty shifting solenoid valve – Shifting solenoid valve harness or connectors – Shifting solenoid valve circuit is open or shorted The Error code is generally activated on detection of the following conditions: The P0783 code is detected when actual gear position and the commanded gear position are different Possible Solutions

Note: The information on the P0783 error code is purely informative, if you need more useful information, please consult your technician.