P0847
Transmission Fluid Pressure Sensor/Switch B Circuit Low
P0847 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Pressure Sensor/Switch B Circuit Low. Common causes: transmission fluid pressure sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Transmission transition to emergency mode
- Check Engine Light Illuminates
- Reduced transmission efficiency
- Possible jerking when changing gears
Causes
- Transmission fluid pressure sensor B malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Low transmission fluid level
- Transmission control module (TCM) malfunction
How to Fix
- Check transmission fluid level
- Inspect the sensor wiring harness and connectors for damage.
- Check the resistance and signal of the pressure sensor
- Replace transmission fluid pressure sensor if necessary
- Check the operation of the transmission control unit
Related codes
Error P0847 by Vehicle Brand
FAQ
What does the P0847 code mean?
P0847 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Pressure Sensor/Switch B Circuit Low
What causes a P0847 error code?
The most common causes of P0847 include: Transmission fluid pressure sensor B malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Low transmission fluid level.
How do I fix a P0847 diagnostic trouble code?
To fix P0847: Check transmission fluid level. Inspect the sensor wiring harness and connectors for damage.. Check the resistance and signal of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0847?
Limited driving only, diagnose soon
How much does it cost to fix P0847?
The estimated repair cost for P0847 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat