OBD Guide

P0848

Transmission Fluid Pressure Sensor/Switch B Circuit High

P0848 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Pressure Sensor/Switch B Circuit High. Common causes: transmission fluid pressure sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–67.

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

  1. Check the level and condition of the transmission fluid
  2. Diagnose transmission fluid pressure sensor B
  3. Check the integrity of the sensor circuit and the condition of the connectors
  4. If necessary, replace the pressure sensor
  5. Check and, if necessary, replace the transmission control module

Related codes

Error P0848 by Vehicle Brand

FAQ

What does the P0848 code mean?

P0848 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Pressure Sensor/Switch B Circuit High

What causes a P0848 error code?

The most common causes of P0848 include: Transmission fluid pressure sensor B malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring Harness Problems.

How do I fix a P0848 diagnostic trouble code?

To fix P0848: 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. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0848?

Limited driving only, diagnose soon

How much does it cost to fix P0848?

The estimated repair cost for P0848 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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