OBD Code P0797

Pressure Control Solenoid “C” Stuck On

What’s mean?

OBD2 Code P0797 Definition:
The Engine Control Module (ECM) uses signals from the vehicle speed sensor to detect the actual gear position (1st, 2nd, 3rd, 4th or 5th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical troubles of the shift solenoid valves and valve body.

Symptoms

Possible sumptoms of P0797
– Engine Light ON (or Service Engine Soon Warning Light) – Shift shock

Possible Causes

Possible causes of P0797
– Low transmission fluid level – Dirty transmission fluid – Faulty pressure control solenoid valve – Pressure control solenoid valve harness or connectors – Pressure control solenoid valve circuit is open or shorted The Error code is generally activated on detection of the following conditions: The gear required by the ECM does not match the actual gear when driving

Possible Solutions