OBD Guide

C054E

Vacuum Sensor B Range/Performance

C054E is an OBD-II diagnostic trouble code meaning: Vacuum Sensor B Range/Performance. Common causes: vacuum sensor b malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check engine light comes on
  • Reduced engine power

Causes

  • Vacuum sensor B malfunction
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Mechanical damage to the sensor
  • Sensor contamination

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Clean sensor contacts
  3. Check the sensor readings using a diagnostic scanner
  4. Replace vacuum sensor B if necessary
  5. Clear the error code and check if it returns

Related codes

Error C054E by Vehicle Brand

FAQ

What does the C054E code mean?

C054E is an OBD-II diagnostic trouble code that indicates: Vacuum Sensor B Range/Performance

What causes a C054E error code?

The most common causes of C054E include: Vacuum sensor B malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; Mechanical damage to the sensor.

How do I fix a C054E diagnostic trouble code?

To fix C054E: Check the integrity of the wiring harness and connectors. Clean sensor contacts. Check the sensor readings using a diagnostic scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C054E?

Limited driving only, diagnose soon

How much does it cost to fix C054E?

The estimated repair cost for C054E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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