P0990

Transmission Fluid Pressure Sensor/Switch E Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Hard gear shifts
Delays when shifting gears
Transmission transition to emergency mode
Check Engine light comes on
Reduced transmission efficiency

Causes

Transmission fluid pressure sensor malfunction
Open or short circuit in the sensor circuit
Connector problems or contact corrosion
Transmission control module (TCM) malfunction
Low transmission fluid level

How to Fix

Check transmission fluid level
Inspect the wiring and connectors of the pressure sensor
Check the resistance of the pressure sensor
Replacing the transmission fluid pressure sensor if necessary
Check and replace the transmission control module (TCM) if necessary

Related codes

P0989 P0991 P0992