Description
Part Description
This Grade A chassis brain box is an OEM airbag control module removed from a 2012 Hyundai Sonata equipped with a 2.4L engine (VIN C 8th digit). The part carries ID number 959103Q110 and has been thoroughly inspected by our technicians. This genuine Hyundai component is currently on our shelf and ready for immediate shipment.
The chassis brain box, also known as an airbag control module, is the central computer that monitors your vehicle’s airbag system and controls deployment during a collision. These modules commonly fail due to water damage from floods, corrosion from age, or impact damage during accidents. When the airbag warning light stays on or airbags fail to deploy properly, a faulty brain box is often the culprit requiring replacement.
At 603 Auto Salvage, we maintain over 50,000 quality used parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team carefully inspects each component to ensure reliable performance. Browse our extensive online inventory or contact us directly to verify fitment and availability for your specific vehicle needs. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Chassis Brain Box (Airbag Control Module) |
| Interchange # | 71073 |
| OEM Part Number | 959103Q110 |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2012 HYUNDAI SONATA |
| VIN | N/A |
| Vehicle Stock # | 0317238189 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Chassis Brain Box (Airbag Control Module):
| ✅ Electronic Function Test | Module responds properly to diagnostic scan |
| ✅ Physical Housing Inspection | No cracks, water damage, or corrosion detected |
| ✅ Connector Integrity | All pins and terminals in good condition |
| ✅ Internal Circuit Board | No visible damage or component failure |
| ✅ Memory Data Check | No stored crash data or permanent fault codes |
| ✅ Mounting Points | All brackets and mounting tabs intact |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #71073, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2011-2014 | Hyundai | Sonata | 2.4L engine, verify VIN 8th digit C – Contact us for full compatibility verification |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
What does a chassis brain box do in a Hyundai Sonata?
The chassis brain box is the airbag control module that monitors crash sensors and controls airbag deployment timing. It constantly checks the airbag system for faults and illuminates the airbag warning light when problems are detected.
How do I know if my airbag control module is bad?
Common symptoms include a constantly illuminated airbag warning light, airbag fault codes during diagnostic scans, or airbags that fail to deploy during an accident. A professional diagnostic scan can confirm module failure.
Does this brain box need programming after installation?
Most airbag control modules require programming or initialization after installation to match your vehicle’s specific configuration. This typically requires dealer-level diagnostic equipment or a qualified automotive technician.
Will this fit my 2012 Sonata with a different engine?
This specific module is designed for 2.4L engines with VIN code C in the 8th position. Different engines may require different part numbers, so verify your VIN details before ordering.
Can I install this airbag module myself?
While physically possible, airbag system work requires special precautions and diagnostic equipment. Professional installation is strongly recommended due to safety implications and the need for proper system initialization.
What causes airbag control modules to fail?
Common causes include water damage from flooding, electrical surges, corrosion from age and moisture, or impact damage during collisions. Once damaged, these modules typically cannot be repaired and must be replaced.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Hyundai Part ID | 959103Q110 |
| Interchange Number | 71073 |
| Engine Code | VIN C (8th digit) – 2.4L |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $350-500 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-350 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $125-175 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Disconnect battery and wait 10 minutes before removing old module to discharge airbag system
- Handle module carefully and avoid static electricity – use anti-static wrist strap if available
- Do not strike or drop the module as internal components are sensitive to impact
- Ensure all connectors are fully seated and locked before reconnecting battery
- Clear all fault codes and perform system initialization after installation
- Test airbag warning light operation – it should illuminate briefly then turn off during startup
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via FedEx Ground. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




Reviews
There are no reviews yet.