U013D

Lost Communication With Vacuum Sensor A

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

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

Related codes

U013E U013F U0140