B0044 on 2009-2014 Chevrolet Traverse: Airbag Light Causes and Fixes

What's Unique About the 2009-2014 Chevrolet TRAVERSE

The first-generation Chevrolet Traverse and its GM Lambda platform siblings (GMC Acadia, Buick Enclave, Saturn Outlook) are well-known for airbag wiring issues under the front seats. The wiring harness and its connectors are prone to stress and intermittent connections caused by the repeated back-and-forth movement of the seats. This is such a common failure that GM issued a specific Technical Service Bulletin (TSB #08-09-41-002H) that points directly to faulty connector retainers as the root cause for this and other related airbag codes. A later TSB (PI1261A) even recommends soldering the female terminals of the connector for a more permanent repair.

Diagnostic Flowchart

Tap your situation to follow the diagnostic path that matches what you're seeing on this vehicle.

Symptoms You May Notice

• Airbag warning light is continuously illuminated on the instrument cluster.
• "Service Airbag" message may appear on the Driver Information Center (DIC).

Most Likely Causes

1. Loose or Damaged Connector Under Driver's Seat 🔴 High Probability The Traverse platform is known for this issue. Wires are stressed by seat movement, leading to poor contact in the main yellow airbag connector under the seat. Corrosion ('green crusties') can also form if moisture is present.
   How to confirm: With the battery disconnected, locate the yellow airbag connector under the driver's seat. Check if it is fully seated. Wiggling the connector (with the system powered, not recommended for DIY) would often cause the airbag light to flicker, confirming an intermittent connection.
   Typical fix: Disconnect the battery for 30 minutes. Disconnect, inspect, and clean the connector pins with electrical contact cleaner. Reconnect it firmly. Often, the small Connector Position Assurance (CPA) retainer is broken and needs to be replaced. Securing the connector with a zip tie is a common long-term solution discussed in forums. 🎬 See how to inspect and secure the under-seat SRS connector. TSB 08-09-41-002H recommends applying dielectric grease (GM P/N 12345579) to the terminals before reconnecting.
   Est. part cost: $5-$20
2. Broken or Missing Connector Position Assurance (CPA) Retainer 🔴 High Probability This is the specific issue cited in GM Technical Service Bulletin #08-09-41-002H. The small plastic CPA clip becomes brittle and fails, allowing the main connector to loosen over time.
   How to confirm: Visually inspect the airbag harness connectors. The CPA is a small, often brightly colored plastic clip that locks the two halves of the connector together. If it's missing, broken, or won't stay clipped, this is the likely cause.
   Typical fix: Replace the CPA retainer. The specific GM part number is 88988974. If the connector housing itself is damaged, the connector may need to be replaced or repinned. A more permanent fix suggested by a later TSB (PI1261A) involves soldering the female terminals.
   Est. part cost: $5-$15
3. Faulty Clock Spring (Airbag Coil) 🟡 Medium Probability The clock spring is a wear item. The internal ribbon cable flexes every time the steering wheel is turned, and can eventually break, causing an open circuit.
   How to confirm: If connectors are confirmed to be good, the clock spring is the next suspect. A professional can use a scan tool to monitor resistance while turning the steering wheel. A jump in resistance indicates a break. Other symptoms of a failing clock spring include the horn not working, or steering wheel-mounted controls (radio, cruise control) failing intermittently or completely.
   Typical fix: Replace the clock spring assembly located behind the steering wheel. This requires removing the steering wheel and must be done carefully to avoid damaging the new part.
   Est. part cost: $70-$200

Rare But Worth Checking

• Damaged Wiring Harness: Less common than a simple loose connector, but chafing or a break in the wire between the connector and the SDM can also cause an open circuit. On some GM trucks, a similar issue was traced to a hidden connector (C221) behind the driver's kick panel.
• Failed Driver Airbag Inflator Module: This is very rare. The airbag module itself is almost never the cause of a high-resistance code; the fault is nearly always in the wiring or connectors leading to it.

Diagnosis Steps

1. CRITICAL SAFETY WARNING: Before performing any work, disconnect the negative battery terminal and wait at least 30 minutes for the airbag system's backup power to discharge.
2. Read the code with a scan tool capable of accessing the SRS/airbag module to confirm B0044 is the active code.
3. Visually inspect the large yellow connector under the driver's seat. Check if it is loose, and inspect for a broken or missing Connector Position Assurance (CPA) clip.
4. If the connector appears loose, disconnect it, inspect the pins for corrosion or damage, clean with electrical contact cleaner if necessary, and reconnect it securely. Per TSB 08-09-41-002H, apply dielectric grease (GM P/N 12345579) to the terminals. Replace the CPA clip (P/N 88988974) if broken. Consider adding a zip tie for extra security.
5. Clear the codes with the scan tool and cycle the ignition. If the code does not return, the issue is resolved.
6. If the code returns, inspect other connectors in the circuit, such as the one at the base of the steering column or potentially a hidden one behind the driver's kick panel (C221).
7. If all connectors are secure, the clock spring is the next most likely failure point. This part should be diagnosed and replaced by a qualified technician.

Parts You'll Likely Need

• Airbag Connector Position Assurance (CPA) Retainer (OEM #88988974) — This small plastic clip is the most common failure point, as identified in GM TSB #08-09-41-002H. It breaks or comes loose, allowing the main airbag connector to develop high resistance.
  Trusted brands: ACDelco, GM Genuine Parts
  OEM price range: $5-$15
  Aftermarket price range: $5-$10
• Clock Spring (SIR Coil) — If connectors are not the issue, the internal wiring of the clock spring is the next most likely part to have failed due to the repeated motion of the steering wheel. Failure often comes with other symptoms like non-working steering wheel buttons or horn.
  Trusted brands: ACDelco, Standard Motor Products, Delphi
  OEM price range: $150-$250
  Aftermarket price range: $70-$150
• Airbag Connector Pigtail (OEM #13583925) — If the connector housing or terminals under the seat are corroded or damaged beyond cleaning, the connector itself will need to be replaced by splicing in a new pigtail.
  Trusted brands: ACDelco, Dorman
  OEM price range: $30-$60
  Aftermarket price range: $15-$40

Related Codes That Often Appear With This One

• B0042 — B0042 is 'Deployment Loop Resistance Low'. During diagnosis, if a technician shorts the circuit to test it, B0044 (Open) will change to B0042 (Low), confirming the wiring to the SDM is good.
• B0026 — B0026 is for the Stage 1 deployment loop being open. If both B0026 and B0044 appear together, it strongly suggests a fault common to both circuits, like the main clock spring connector or the clock spring itself.

Technical Service Bulletins (TSBs) & Recalls

• 08-09-41-002H: Addresses an intermittent airbag light with DTCs including B0044, caused by a loose, missing, or damaged Connector Position Assurance (CPA) retainer at an SIR wiring harness connector. This TSB covers a huge range of GM vehicles from 2005-2014.
• PI1261A: A Preliminary Information bulletin that addresses recurring high resistance faults in the front seat airbag connectors (X332/X333) on 2014-2015 Traverse and Acadia models. The recommended fix is to solder the female terminals at the crimp for a more robust connection.

Platform-Specific Known Issues

• The wiring harness under the front seats is known to be stressed by seat movement, leading to intermittent connections at the yellow airbag connector. This is a widely documented issue on the GM Lambda platform (Traverse, Acadia, Enclave, Outlook).
• A YouTube video from Pine Hollow Auto Diagnostics on a 2009 Traverse highlighted a case of 'green crusties' (corrosion) under the passenger seat connector causing a no-communication issue with the SRS module, which is a related problem in the same area.

Mechanic-Grade Diagnostic Values

• Total Deployment Loop Resistance — expected: 1.3 - 4.8 Ohms. Failure: A reading > 4.8 Ohms for 500ms sets code B0044. A reading < 1.3 Ohms sets B0042.
• Driver Airbag Module (Squib) Internal Resistance — expected: ~2.5 - 3.0 Ohms. Failure: A reading significantly outside this range when measured directly at the module (system de-powered) indicates a faulty module, which is rare.
• Harness Parasitic Resistance — expected: < 1.0 Ohm. Failure: Higher than expected resistance in the wiring harness itself (e.g., between the SDM and steering column connector) points to a wiring fault, not a component fault.

Hidden / Shadow Codes Worth Checking

• B0044 0D: Indicates 'Resistance Above Threshold'. This is the most common symptom byte for B0044 and points directly to a poor connection or high resistance in the wiring, rather than a complete break. (see via A professional scan tool like the GM GDS2 or Tech2 is required to view symptom bytes.)
• B0044 04: Indicates 'Open Circuit'. This signifies a complete break in the circuit (infinite resistance), such as a fully disconnected connector or a broken wire. (see via A professional scan tool like the GM GDS2 or Tech2 is required to view symptom bytes.)

Scan Tool Commands That Help

• GDS2 / Tech2: SIR Data Display — To monitor the live resistance value of the 'LF/Driver Frontal Deployment Loop (Stage 2)'. A technician can wiggle connectors and watch this data to see if the resistance value jumps, confirming an intermittent connection without having to wait for the code to reset.
• GDS2 / Tech2: Diagnostic Test: Shorting the Circuit — This is a key diagnostic step. A technician will use a jumper to short the circuit at a connector (e.g., at the base of the steering column). If the scan tool shows the code changing from B0044 (Open) to B0042 (Low Resistance), it proves the wiring from that point back to the SDM is intact, isolating the fault to the other side of the connector.

Wiring & Ground Locations

• X333 — The main body-to-seat harness connector located under the driver's seat.. This is a primary suspect for this code on the Lambda platform. It is subject to stress from seat movement and known for high resistance failures, as noted in TSBs and recalls.
• C221 — A large, yellow 4-way airbag system connector located behind the driver's side kick panel, near the parking brake assembly.. This is a frequently overlooked but common failure point. High resistance at this connector can cause an intermittent B0044 code even when the under-seat and steering column connectors seem fine.
• SDM (Sensing and Diagnostic Module) — Located under the center console, between the front seats.. This is the airbag control module that sets the code. While rarely the cause, its location makes it susceptible to corrosion from liquid spills into the console. All circuit tests ultimately lead back to this module.
• G303 — A primary ground point located on the floor pan under the driver's seat, near the SDM mounting location.. This is the main ground for the SDM. A loose or corroded ground here can cause erratic behavior and various airbag codes, including B0044, though it's less common than a connector issue.

Real Owner Repair Stories

• Commenter on Pine Hollow Auto Diagnostics YouTube Video (2007 Chevy Silverado (GMT900 Platform, similar wiring)) — Airbag light with codes B0026 (Stage 1 open) and B0044 (Stage 2 open).
  ❌ Tried (didn't work) Reseating the yellow connector under the steering wheel (C275) cleared the B0026 code, but B0044 remained.
  ✅ What actually fixed it The user located a second, hidden yellow connector (C221) behind the driver's kick panel. After disconnecting, cleaning it with alcohol, applying dielectric grease, and reconnecting it, the high resistance (measured at 6.4 ohms) was resolved and the B0044 code was cleared.
• YouTube video by user Antonio Neto (2006 Chevrolet Avalanche (similar GM truck platform)) — Airbag light on with code B0044.
  ❌ Tried (didn't work) Initial diagnosis with a scan tool pointed to the B0044 circuit fault.
  ✅ What actually fixed it The problem was a loose connection at the yellow airbag connector under the dash. Wiggling the wires caused the code to go away intermittently. The final, permanent fix was securing the connector tightly with a zip tie.

OEM Part Supersession History

• 88988974 → N/A — This part number for the Connector Position Assurance (CPA) retainer remains current and has not been superseded.
  Heads up: This is the correct part referenced in TSB #08-09-41-002H for a wide range of GM vehicles.
• 19303732 → 13583925 — Part number was updated for the yellow airbag connector pigtail.

Model Year Variations Within This Range

• 2009-2012 vs 2013-2014: The primary diagnostic tool used by dealerships changed. Earlier models in this range would have been serviced using the Tech2 scan tool (emulated with Tech2Win), while later models (approx. 2013+) fall under the GDS2 (Global Diagnostic System 2) software platform. Both can diagnose the code, but the software interface and some capabilities differ.
• 2014: A Preliminary Information bulletin (PI1261A) was issued for 2014-2015 models specifically calling out high resistance in the front seat connectors X332 and X333. This suggests that while the problem existed for the whole generation, it was still a focus of repair procedures on the very last model year of this range.