OBD-II Trouble Code Description for P0781 Dodge

1-2 Shift

What does this mean?

OBD2 Code P0781 Dodge definition:
This P0781 Dodge code indicates that the 1-2 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 OBD code P0781 Dodge
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission may not shift to the next gear.

Causes

Possible causes of OBD code P0781 Dodge
– 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 P0781 Dodge code is detected when actual gear position and the commanded gear position are different

Possible Solutions