P0841

Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Incorrect gear shifting
Switching delays
Gear slip
Switching to emergency mode
Check Engine light comes on

Causes

Transmission fluid pressure sensor malfunction
Open or short circuit in the sensor circuit
Low transmission fluid level
Sensor contamination
Hydraulic pump problems

How to Fix

Check the level and condition of the transmission fluid
Visually inspect the sensor and its connector for damage
Check the sensor circuit for open circuit and short circuit
Test the pressure sensor using a scanner
If necessary, replace the pressure sensor

Related codes

P0842 P0843 P0844