B0041 Airbag deployment loop open, left front (driver-side) side airbag circuit (Chevrolet)

Left front side airbag circuit open (deployment loop open)

B0041 in short

On Chevrolet, B0041 means the airbag computer found an open circuit in the left front (driver-side) side airbag firing loop. Dealer readouts in owner complaints point to a seat connector or the airbag module. That airbag may not fire, so have it checked soon and do not work on the wiring yourself.

Each airbag has a firing circuit, called a deployment loop. The airbag computer keeps checking it. An open loop means the computer cannot see a complete path to the airbag, so it stores B0041 and turns on the airbag light.

In an owner complaint about a 2000 Impala, the dealer read the code as a left front side deployment loop open and quoted a new side airbag module. In a complaint about a 2012 Corvette, a technician found intermittent opens to the driver seat pretensioner and side airbag and traced them to fretting in a seat connector.

Buick used the same number for the left front driver seat open deployment loop in a 2000-2002 Regal and Century bulletin, and GM listed B0041 with other side impact module codes on 2000 full-size trucks. We have only the bulletin summaries, so check the wording for your own vehicle with a dealer.

Pick your make

B0041 is a manufacturer-specific code: its meaning depends on who built the car.

Other makes: meaning not verified. Check with a scan tool that reads manufacturer definitions.

Most likely causes

  1. Fretted or loose connector under the driver seat

    Supported by vehicle data
    Why it ranks here
    A 2012 Corvette technician found terminal fretting in a seat connector for intermittent opens on B0041 and B0065, and another Corvette owner had B0040 fixed by re-mating a seat connector.
    What would change this
    Rises if the light comes and goes as the seat moves. Falls if the connector and terminals test good.

  2. Side airbag module itself

    Supported by vehicle data
    Why it ranks here
    A dealer quoted a replacement side airbag module for B0041 on a 2000 Impala, though the complaint does not say the repair fixed it.
    What would change this
    Rises if the wiring and connectors are sound and the open stays current. Falls if a wiring fault is found.

What to test first

Start at step 1. Each result tells you what it means and where to go next.

  1. Have the airbag or body codes read with a scan tool and note the exact code and any others.

    Low riskTool: scan tool with module access

  2. Give your VIN to a dealer and ask for any bulletin or recall on the system.

    Low risk

    • IfA bulletin applies

      It meansThe dealer follows it.

      Go to step 3

    • IfNothing applies

      It meansThe service manual diagnosis is next.

      Go to step 3

  3. Have a trained technician follow the service manual deployment loop diagnosis, starting with the driver seat connector and its terminals.

    Best left to a shopTool: maker's diagnostic tool and service information

    Warning:Never probe airbag connectors or wiring with a test light or meter, and never unplug them yourself. Airbags and pretensioners can still fire with the ignition off. Leave this to a dealer or trained technician.

Symptoms

  • Airbag warning light stays on
  • Airbag warning light comes and goes

How to fix

This is a safety-critical system, so we explain the code but don't give repair steps. Have it inspected by a qualified technician.

Parts and cost context

  • Seat connector and side airbag module:Reports in owner complaints range from re-mating a connector to replacing the side airbag module. Airbag parts must be handled by a trained technician. Labour varies; get a quote.

Labor varies by vehicle and shop; get a quote before you approve a repair.

Compare used part prices on PartPriceGuide

On your vehicle

Chevrolet

  • 2000

    Supported by vehicle data

    GM bulletin 000941004 covers side impact module codes including B0041 on 2000 full-size trucks. Only the summary was read.

  • 2000 · Impala

    Supported by vehicle data

    An owner complaint quotes a dealer reading B0041 as a left front side deployment loop open.

  • 2012 · Corvette

    Supported by vehicle data

    An owner complaint reports B0041 with B0065 traced to terminal fretting in a seat connector.

  • 000941004 (chevrolet)Status unverified

    GM airbag light with side impact module codes B0028, B0029, B0040 and B0041, 2000 full-size trucks

    2000suburban, tahoe, yukon, yukon-xl · NHTSA 619198

    The summary names the side impact module diagnostic codes only.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

GMC

  • 2000

    Supported by vehicle data

    GM bulletin 000941004 covers side impact module codes including B0041 on 2000 full-size trucks. Only the summary was read.

  • 000941004 (gmc)Status unverified

    GM airbag light with side impact module codes B0028, B0029, B0040 and B0041, 2000 full-size trucks

    2000suburban, tahoe, yukon, yukon-xl · NHTSA 619198

    The summary names the side impact module diagnostic codes only.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Buick

  • 2000–2002

    Supported by vehicle data

    Buick bulletin 050802 describes B0041 as a left front driver seat open deployment loop. Whether it is still current is not verified.

  • 050802Status unverified

    Buick SIR codes B0041, a left front driver seat open deployment loop, or B1001 option configuration error

    2000–2002century, regal · NHTSA 636626

    The summary itself describes B0041 as a left front driver seat open deployment loop.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • B0028Right side airbag firing circuit open or high resistance (Honda, Chrysler, Ram)

    Same system Supported by vehicle data

    GM bulletin 000941004 lists B0028, B0029, B0040 and B0041 together as side impact module codes on 2000 full-size trucks.

All Airbags and seat-belt restraints (SRS) codes

B0041 questions

Is B0041 the same on every make?

No. We found it described only for GM (Chevrolet) as a left front side airbag loop open. Nissan, for one, uses B0040 for a different circuit, so check the meaning for your own vehicle.

Sources and review

  1. NHTSA complaint ODI 10005635: Chevrolet Impala 2000 — NHTSA (owner complaint)
  2. NHTSA complaint ODI 10548252: Chevrolet Corvette 2012 — NHTSA (owner complaint)
  3. GM 000941004: GM airbag light with side impact module codes B0028, B0029, B0040 and B0041, 2000 full-size trucks — NHTSA (manufacturer communication)
  4. NHTSA complaint ODI 10577574: Chevrolet Corvette 2012 — NHTSA (owner complaint)
  5. GM 050802 (Buick): Buick SIR codes B0041, a left front driver seat open deployment loop, or B1001 option configuration error — NHTSA (manufacturer communication)
Last reviewed
Written by
Saurabh K.
Editorial review
Pending
Technician review
Technician review pending

This page explains what a code usually means; it is not a substitute for a professional inspection. How we source and review · Report an error

My Car

Pick your car and code pages will point out notes and bulletins for it. Saved only in this browser.

Fill this in from your VIN

Used once to identify your engine; not stored.