B1055Body / Restraints

Restraint System Malfunction

B1055 indicates a restraint system malfunction. The airbag module detected a fault affecting the overall restraint system, which can compromise occupant protection.

🚗 Not recommended. A general restraint system fault can disable airbags and pretensioners.

HIGH

severity

🎯 Top Causes, Ranked by Likelihood

#1Wiring or connector faults in the restraint system$100-$500

35%

Open or shorted wiring in restraint circuits sets a system fault.

#2Failed restraint component$200-$900

25%

A faulty airbag, sensor, or pretensioner triggers the code.

#3Airbag control module fault$300-$900

25%

An internal module fault can set a general restraint code.

#4Poor power or ground to the module$50-$300

15%

Weak power or ground affects restraint system operation.

🩺 Common Symptoms

Airbag warning light on
Restraint system fault message
One or more restraint features disabled
Multiple stored airbag codes

💰 Repair Cost: DIY vs Shop

DIY Cost

$50-$300

Shop Cost

$200-$900

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose B1055

1Scan the airbag module for all stored codes

2Address any specific circuit codes first

3Verify power and grounds to the airbag module

4Inspect restraint connectors and wiring

❓ Frequently Asked Questions

Can I drive with B1055?

It is not recommended. A restraint system malfunction can disable airbags and pretensioners. Have it diagnosed promptly.

What does B1055 cover?

It is a general restraint system fault, often set alongside more specific airbag or pretensioner codes.

What causes B1055?

Restraint wiring faults, a failed component, an airbag module fault, or power and ground problems.

🔗 Related Codes

B1041B1049B1015B1000