What does B0023 mean on a Chevy?

B0023. Right roof rail airbag deployment loop circuit fault. The module detects a problem in the circuit and sets the airbag warning light. Applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

What causes B0023 on a Chevy?

Open or high resistance in the right roof rail airbag deployment circuit Shorted right roof rail airbag harness rubbing on a metal bracket Corroded or loose connector at the right roof rail airbag Failed right roof rail airbag inflator with an internal open or short Faulty driver inside the sensing and diagnostic module for that loop

How do I fix B0023 on a Chevy?

Confirm the code with a Tech2 or GDS2 and read the loop symptom byte Disconnect the battery and wait at least three minutes before touching any SRS circuit Inspect and reseat the right roof rail airbag connector and check terminal tension Test the deployment circuit for opens, shorts to ground and shorts to battery Replace the right roof rail airbag only if the circuit tests good, using a qualified SRS technician

Code

B0023

Right roof rail airbag deployment loop circuit fault

Category: Body
Severity: Airbag Light
Applies to: Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code
Related: No single generic twin. See OBD Codes List

What it means

B0023. Right roof rail airbag deployment loop circuit fault. The module detects a problem in the circuit and sets the airbag warning light. This Chevy-enhanced code applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

Findings, check these first

Open or high resistance in the right roof rail airbag deployment circuit
Shorted right roof rail airbag harness rubbing on a metal bracket
Corroded or loose connector at the right roof rail airbag
Failed right roof rail airbag inflator with an internal open or short
Faulty driver inside the sensing and diagnostic module for that loop

Standard procedure

Confirm the code with a Tech2 or GDS2 and read the loop symptom byte
Disconnect the battery and wait at least three minutes before touching any SRS circuit
Inspect and reseat the right roof rail airbag connector and check terminal tension
Test the deployment circuit for opens, shorts to ground and shorts to battery
Replace the right roof rail airbag only if the circuit tests good, using a qualified SRS technician

Look up another code

Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.

Sources and review

Review: qualified. Read the source limits below.

Code B0023 definition | OBDII.pro
live generic definition (obdii.pro)
Supports: code identity only
Fetched directly. No GM entry, and the generic entry conflicts with the archived Chevrolet page, so it does not support the catalog meaning.
B0023 CHEVROLET Right Roof Rail Air Bag Deployment Loop | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes
Fetched directly. Model and year fitment remain curator claims.
B0023 CHEVROLET Right Roof Rail Air Bag Deployment Loop | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes
Same Chevrolet text as the engine-codes page (both sites share one publisher).

Review note: obdii.pro has no GM entry and its generic entry says left side deployment stage 1 short to ground; the archived Chevrolet page says right roof rail air bag deployment loop

Last updated 2026-09-26.

Report a correction for B0023. Include your vehicle, the issue and a source if you have one.