P0871

Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Check Engine light comes on
Transmission transition to emergency mode
Reduced transmission efficiency

Causes

Transmission fluid pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Low or contaminated transmission fluid
Transmission control unit malfunction

How to Fix

Check the level and condition of the transmission fluid
Inspect the sensor circuit for damage
Check the contacts in the sensor connector
Test the transmission fluid pressure sensor
If necessary, replace the sensor or repair the circuit

Related codes

P0872 P0873 P0874