Low transmission fluid. A failing pressure switch or sensor (often part of the valve body or solenoid assembly). Wiring or connector problems. Valve body problems.

Trouble codes › P0841

P0841 Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance

Q: What does P0841 mean?

P0841 means the transmission fluid pressure sensor or switch is reporting pressure that doesn't fit the gear and conditions. The transmission fluid pressure sensor or switch is reporting pressure that doesn't fit the gear and conditions the transmission computer expects.

Transmission

P0841 means the transmission fluid pressure sensor or switch is reporting pressure that doesn't fit the gear and conditions.

The transmission fluid pressure sensor or switch is reporting pressure that doesn't fit the gear and conditions the transmission computer expects.

Can I keep driving? Yes, but get it fixed soon.

Shifting may be harsh or erratic. Drive gently and get it checked soon.

Common causes

Low transmission fluid
A failing pressure switch or sensor (often part of the valve body or solenoid assembly)
Wiring or connector problems
Valve body problems

Symptoms

Harsh or delayed shifts
Limp mode
Check-engine light

What to check first

Check fluid level and condition.
Check the transmission connector for fluid or corrosion.
Look for service bulletins on your transmission's pressure switch.
Replace the switch or assembly if needed.

What does P0841 mean on your vehicle?

The likely cause depends on your engine. iRepair researches your exact year, make, model and engine (service bulletins, recalls and owner reports) and tells you what to check first. Your first 3 questions are free.

Ask iRepair about P0841

No scanner? Most auto parts stores read check-engine codes for free.

Related codes

General guidance for P0841 on most vehicles. Some makers use the same code a little differently; confirm in the service information for your vehicle, put safety first, and see a professional when in doubt.