U017B

Lost Communication With Restraints System Sensor L

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

The airbag light on the dashboard is on
The safety system may not work in an accident
The error is stored in the ECU memory
Possible problems with system diagnostics

Causes

Open or short circuit in the sensor circuit
Security sensor malfunction
Poor contact in the sensor connector
Wiring harness damage
Problems with the security ECU

How to Fix

Check the integrity of the wiring harness to the sensor
Inspect and clean the sensor connector contacts
Check sensor resistance
Scan the system for other fault codes
Repair only from an authorized dealer

Related codes

U017A U017C U0168