P0844

Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Jerks when switching
Check Engine light comes on
Transmission transition to emergency mode
Floating engine speed

Causes

Damage to the wiring or sensor connector
Transmission fluid pressure sensor malfunction
Low transmission fluid level
Contaminated transmission fluid
Problems with the hydraulic control unit

How to Fix

Check the level and condition of the transmission fluid
Inspect the sensor wiring and connectors
Check the resistance of the pressure sensor
Replace transmission fluid pressure sensor if necessary
Check hydraulic control unit

Related codes

P0845 P0846 P0847