P055D

Engine Oil Pressure Sensor/Switch B High

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

Check the integrity of the sensor wiring harness
Check the connections and contacts of the sensor
Test oil pressure sensor B
Replace sensor if necessary
Check the operation of the engine lubrication system

Related codes

P055C P0520 P0521 P0522 P0523