P0874

Transmission Fluid Pressure Sensor/Switch C Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Transmission of the gearbox into emergency mode
Check Engine Light Illuminates
Jerks when shifting gears
Reduced transmission efficiency

Causes

Transmission fluid pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Low transmission fluid level
Contaminated transmission fluid

How to Fix

Check the level and condition of the transmission fluid
Visually inspect the sensor wiring and connectors
Check sensor resistance and reference voltage
Replace pressure sensor if necessary
Clear error codes and test drive

Related codes

P0871 P0872 P0873 P0875