U047C

Invalid Data Received From Restraints System Sensor L

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$28–89 (est.)

Symptoms

Airbag light is on
Security error message on dashboard
The diagnostic system shows a sensor malfunction
Possible problems with the operation of seat belt pretensioners

Causes

Safety sensor fault L
Open or short circuit in the sensor circuit
Oxidation of contacts in system connectors
Wiring harness damage
Airbag control module malfunction

How to Fix

Check connections and condition of wiring to sensor L
Test resistance and sensor signals
Inspect connectors for corrosion or damage
If necessary, replace the faulty sensor
Reset error after repair
Repair only from an authorized dealer

Related codes

U047B U047D B0001