U013E

Lost Communication With Vacuum Sensor B

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

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

Related codes

U013D U013F U0140