OBD Guide

U013D

Lost Communication With Vacuum Sensor A

U013D is an OBD-II diagnostic trouble code meaning: Lost Communication With Vacuum Sensor A. Common causes: open or short circuit in the vacuum sensor circuit, vacuum sensor a 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
  • Unstable engine idling
  • The car goes into emergency mode

Causes

  • Open or short circuit in the vacuum sensor circuit
  • Vacuum sensor A fault
  • Problems with the sensor connector
  • ECU malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the vacuum sensor circuit
  2. Check the sensor connector for corrosion or damage.
  3. Replace vacuum sensor A if necessary
  4. Check and replace wiring harness if necessary
  5. Carry out ECU diagnostics

Related codes

Error U013D by Vehicle Brand

FAQ

What does the U013D code mean?

U013D is an OBD-II diagnostic trouble code that indicates: Lost Communication With Vacuum Sensor A

What causes a U013D error code?

The most common causes of U013D include: Open or short circuit in the vacuum sensor circuit; Vacuum sensor A fault; Problems with the sensor connector; ECU malfunction.

How do I fix a U013D diagnostic trouble code?

To fix U013D: Check the continuity of the vacuum sensor circuit. Check the sensor connector for corrosion or damage.. Replace vacuum sensor A if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U013D?

Yes, but get it checked soon

How much does it cost to fix U013D?

The estimated repair cost for U013D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat