U0480

Invalid Data Received From Seat Belt Pretensioner Module B

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$89–278 (est.)

Symptoms

The airbag malfunction indicator is on
Security error message on dashboard
Seat belt pretensioners on one side do not work
Periodic flashing of the SRS indicator
Errors in the airbag self-diagnosis system

Causes

Belt pretensioner module B malfunction
Damage to the wiring harness to the pretensioner module
Short circuit or open circuit in the module power supply circuit
Poor contact in the pretensioner module connector
Problems with the SRS control unit

How to Fix

Diagnose the SRS system using a scanner
Check the integrity of the wiring harness to the pretensioner module
Inspect the module connectors for corrosion or damage.
Check the power and ground of the pretensioner module
Repair only from an authorized dealer

Related codes

U0481 B0020 B0021