P0848

Transmission Fluid Pressure Sensor/Switch B Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–67 (est.)

Symptoms

Incorrect gear shifting
Hard gear shifts
Transmission of the gearbox into emergency mode
Check Engine Light Illuminates
Reduced transmission efficiency

Causes

Transmission fluid pressure sensor B malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Wiring Harness Problems
Transmission control module (TCM) malfunction

How to Fix

Check the level and condition of the transmission fluid
Diagnose transmission fluid pressure sensor B
Check the integrity of the sensor circuit and the condition of the connectors
If necessary, replace the pressure sensor
Check and, if necessary, replace the transmission control module

Related codes

P0847 P0849 P0850