OBD Guide

U013E

Lost Communication With Vacuum Sensor B

U013E is an OBD-II diagnostic trouble code meaning: Lost Communication With Vacuum Sensor B. Common causes: open or short circuit in vacuum sensor b circuit, vacuum sensor b fault. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • The car goes into emergency mode
  • Unstable engine operation at idle

Causes

  • Open or short circuit in vacuum sensor B circuit
  • Vacuum sensor B fault
  • Poor contact in the sensor connector
  • Software error in the ECU
  • Wiring harness damage

How to Fix

  1. Check continuity of vacuum sensor B
  2. Inspect the sensor connector for damage or oxidation.
  3. Check the functionality of vacuum sensor B
  4. Replace sensor if necessary
  5. Reset the error and check if it returns

Related codes

Error U013E by Vehicle Brand

FAQ

What does the U013E code mean?

U013E is an OBD-II diagnostic trouble code that indicates: Lost Communication With Vacuum Sensor B

What causes a U013E error code?

The most common causes of U013E include: Open or short circuit in vacuum sensor B circuit; Vacuum sensor B fault; Poor contact in the sensor connector; Software error in the ECU.

How do I fix a U013E diagnostic trouble code?

To fix U013E: Check continuity of vacuum sensor B. Inspect the sensor connector for damage or oxidation.. Check the functionality of vacuum sensor B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U013E?

Yes, but get it checked soon

How much does it cost to fix U013E?

The estimated repair cost for U013E is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat