OBD Guide

P055D

Engine Oil Pressure Sensor/Switch B High

P055D is an OBD-II diagnostic trouble code meaning: Engine Oil Pressure Sensor/Switch B High. Common causes: oil pressure sensor b malfunction, short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Reduced engine power
  • False oil pressure readings on the dashboard

Causes

  • Oil pressure sensor B malfunction
  • Short circuit in the sensor circuit
  • Wiring harness damage
  • Sensor connection problems
  • ECU malfunction

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the connections and contacts of the sensor
  3. Test oil pressure sensor B
  4. Replace sensor if necessary
  5. Check the operation of the engine lubrication system

Related codes

Error P055D by Vehicle Brand

FAQ

What does the P055D code mean?

P055D is an OBD-II diagnostic trouble code that indicates: Engine Oil Pressure Sensor/Switch B High

What causes a P055D error code?

The most common causes of P055D include: Oil pressure sensor B malfunction; Short circuit in the sensor circuit; Wiring harness damage; Sensor connection problems.

How do I fix a P055D diagnostic trouble code?

To fix P055D: Check the integrity of the sensor wiring harness. Check the connections and contacts of the sensor. Test oil pressure sensor B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P055D?

Limited driving only, diagnose soon

How much does it cost to fix P055D?

The estimated repair cost for P055D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat