Mechanic Wiki: How to Reset the SRS Light on a Hyundai Atos (Step-by-Step Guide)

Learn how to reset the airbag (SRS) light on your Hyundai Atos. Step-by-step guide with OBD-II scanner, key cycle, and battery disconnect methods. Fix faults safely.

Published: June 26, 2026

Quick Answer: How to Reset the SRS Light on a Hyundai Atos

To reset the Airbag (SRS) light on a Hyundai Atos, use an OBD-II scanner that supports SRS diagnostics. Connect the scanner to the port under the dashboard, read and clear the fault codes, then cycle the ignition. If the light stays off, the reset worked. If it returns, a physical fault — like a bad clock spring or seat belt buckle sensor — still exists. The manual ignition key cycle method or battery disconnect only clears temporary glitches, not hard faults or crash locks.

Understanding the Hyundai Atos SRS System

The Supplemental Restraint System (SRS) in your Hyundai Atos is designed to save lives. It includes front airbags, seat belt pre-tensioners, and a network of sensors. When the SRS light stays on, it means the system has detected a problem and has disabled itself for safety. You don’t want to drive with a non-functional airbag, so resetting the light is only the first step — fixing the root cause is what really matters.

Why Does the SRS Light Come On?

Several common issues trigger the SRS light on these compact Hyundai models:

Crash memory: Even a minor bump can lock the SRS module. The system assumes an impact happened and stores a crash code.
Clock spring failure: The spiral cable behind the steering wheel wears out over time. It connects the driver airbag and horn. When it breaks, the airbag circuit opens.
Seat belt buckle sensor: Under the front seats, wires can chafe or connectors can loosen. Moving the seat back and forth repeatedly damages the yellow SRS wiring.
Low battery voltage: A dead battery, jump-start, or battery replacement can create a temporary voltage spike that the SRS module interprets as a fault.
SRS module failure: The control unit itself (usually mounted under the center console) can fail internally. This requires replacement or reprogramming.

Important Safety Warning

Never bypass the SRS light without fixing the underlying issue. If the light is on due to a real fault, the airbags may not deploy during a collision. That puts you and your passengers at serious risk. Treat any SRS warning with the respect it deserves.

How to Reset the Airbag Light (Step-by-Step)

I’ll walk you through three methods. Use the OBD-II scanner method for reliable results. The other two are worth trying for temporary faults but won’t fix a crash-locked module.

Method 1: Using an OBD-II SRS Scanner (Recommended)

This is the only method that can clear crash memory and hard fault codes. You’ll need a scanner that specifically supports SRS/Airbag protocols — generic OBD-II engine code readers won’t work.

Tools needed:

An OBD-II scanner compatible with Hyundai SRS systems. Popular choices include Launch, Autel, Foxwell, or a dedicated Hyundai SRS tool.

Step 1: Turn the ignition OFF and remove the key.

Step 2: Locate the OBD-II port. On the Hyundai Atos, it’s under the driver side dashboard, near the steering column.

Step 3: Plug the scanner into the port.

Step 4: Turn the ignition ON (engine off). The scanner will power up.

Step 5: Navigate to the SRS / Airbag menu on the scanner. If you don’t see this option, your scanner may not support airbag systems.

Step 6: Select Read Fault Codes. Write down the codes. Common ones on the Atos include B1346 (driver airbag circuit) or B1360 (passenger airbag circuit).

Step 7: Before clearing, you must fix the underlying problem. The scanner won’t let you erase a code if the fault is still active. If the code indicates a clock spring issue, replace the clock spring first. If it points to a seat belt buckle, check the wiring.

Step 8: Once repairs are done, select Erase Codes or Clear SRS Memory.

Step 9: Turn the ignition OFF, wait 30 seconds, then start the engine. Drive the car for a few minutes. If the SRS light stays off, you’re all set. If it comes back, the fault still exists.

Method 2: The "Ignition Key Cycle" Test

This method only clears temporary (soft) faults. It will not reset a crash lock or a hard electrical fault like a broken clock spring. Think of it as a diagnostic trick, not a repair.

Procedure:

Turn the ignition ON (engine off).
Wait for the SRS light to illuminate and then turn OFF. This takes about 6–7 seconds.
Immediately turn the ignition OFF.
Repeat this cycle (ON → Wait → OFF) exactly three times.

Result: After the third cycle, the light should blink and then stay off if the fault was temporary. If it stays on or returns later, you need a scanner.

Method 3: The 12V Battery Disconnect

Some DIYers try this first. It works for certain voltage-related glitches but is not a solution for crash data.

Procedure:

Disconnect the negative (-) battery terminal.
Wait 15–30 minutes for the SRS capacitor to drain completely. The SRS module holds a charge to keep memory alive.
Reconnect the battery.
Turn the ignition ON and check the dash.

Important: This clears many stored memory codes but does not fix a crash-locked SRS module. If the light returns immediately after reconnection, a scanner is required.

Troubleshooting: What to Do If the Light Won't Reset

You followed the steps, cleared the codes, but the SRS light comes right back. Don’t ignore it — the system is telling you exactly where the problem is. Here’s how to diagnose the common culprits on a Hyundai Atos.

Code Keeps Returning

If the same code reappears after clearing, you have a physical fault. The most common offenders on this model:

Clock Spring: Symptoms include a grinding noise when turning the steering wheel, a non-functional horn, or the airbag light staying on. Replacing the clock spring usually fixes it. Cost: around $80–$150 for the part, plus labor if you don’t DIY.
Wire chafing under the seat: Yellow SRS wires run beneath the driver and passenger seats. Frequent seat adjustment can wear through the insulation. Inspect the wires and repair any damage with solder and heat shrink.
Failed SRS module: The control unit itself may be dead. On the Atos, it’s often located under the radio or in the center console. Replacement requires either a new or refurbished module, followed by reprogramming (sometimes only a dealer can do this).

Scanner Says "Link Error" / "No Communication"

This usually points to a power or connection issue, not a code problem.

Check the SRS fuse: Look in the engine bay fuse box for a fuse labeled “Airbag” or “SRS.” Pull it and inspect for a blown element.
Check the yellow SRS connector: Under the driver seat, there’s a large yellow connector. Make sure it’s fully clicked in. A loose connection can cause a communication error.
Battery voltage: If the battery is very low, the SRS module may not power up properly. Charge or jump-start the battery and try again.

Crash Data Stored

If the vehicle was in a collision (even a minor one), the SRS module stores crash data. Most scan tools cannot clear this. You’ll need a dealer-level tool or a specialist who can reflash the module. Sometimes the module must be replaced entirely.

Common Hyundai Atos SRS Fault Codes

Here are the codes you’re most likely to see when scanning the SRS system on an Atos:

Code	Description	Likely Cause
B1346	Driver airbag circuit resistance too high	Clock spring failure or loose connector
B1360	Passenger airbag circuit fault	Wiring issue under passenger seat or faulty passenger airbag
B1650	SRS control unit internal fault	Module needs replacement
B1620	Seat belt buckle switch failure	Faulty buckle or broken wire

Remember: these codes are generic. Always verify with your specific scanner’s data.

When to Seek Professional Help

You can handle many SRS issues yourself — checking fuses, replacing a clock spring, or repairing chafed wires. But some situations demand professional attention:

Light stays on after all reset attempts. You may have an internal module failure that requires dealer-level reprogramming.
You find crash data codes. The module must be reflashed or replaced. Aftermarket scan tools can’t always perform this.
Steering wheel makes a grinding noise. The clock spring is likely destroyed. Replacing it is doable but requires careful removal of the steering wheel and airbag assembly. If you’re not confident, let a pro handle it.
Flood or water damage. Water corrodes SRS connectors and modules. A thorough inspection and possible replacement of affected components is necessary.

A professional shop can reset the airbag light and diagnose the fault for $50–$100. If replacement parts are needed, expect $150–$400 total. That’s a small price for safety.

Frequently Asked Questions (FAQ)

Can I reset the SRS light without a scanner on the Hyundai Atos?

You can try the ignition key cycle or battery disconnect for temporary glitches. However, for crash memory or hard faults, a scanner is required. Don’t rely on the key cycle method if the light stays on — it won’t fix a broken clock spring.

Will disconnecting the battery reset the airbag light?

Yes, for 30 minutes. But if the underlying fault — a bad sensor, low voltage, or crash data — hasn’t been fixed, the light will return immediately when you reconnect.

Is it safe to drive with the SRS light on?

It is legal, but not safe. The airbags will not deploy in a crash, and the seat belt pre-tensioners may not function. Get it diagnosed as soon as possible.

How much does it cost to reset the airbag light on an Atos?

A simple reset at a shop costs $50–$100. If a part needs replacement (clock spring, buckle, module), expect $150–$400 total depending on labor rates in your area.

Can I use a generic OBD-II scanner?

No. Generic scanners only read engine (powertrain) codes. You need a scanner that specifically supports SRS/Airbag protocols. Multi-brand tools like Launch or Autel often include SRS coverage, but always confirm before buying. For more guidance, check out our article on [link to related guide on choosing an SRS scanner].

Final Warning

If the SRS light comes back on after a reset, do not ignore it. The system is reporting a real safety defect. Driving with a non-functional airbag is gambling with your safety. Address the fault — replace the clock spring, fix the wiring, or take it to a specialist. Your life depends on it.

For more detailed repair procedures, see our guide on [link to related article on replacing a Hyundai Atos clock spring].

About the Author: Erwin Salarda is an Automotive Service Equipment Technician based in the Philippines, specializing in computerized automotive diagnostic equipment such as OBD scanners and wheel alignment systems. Since 2012, he has been actively providing technical support, equipment installation, troubleshooting, after-sales service, and hands-on training for automotive service equipment used by workshops and automotive professionals.

He has received specialized training from international suppliers and manufacturers, including Launch X431 in Shenzhen, China, Lawrence Engineering Company in Guangzhou, China, and 3Excel Wheel Alignment Company in Shenzhen, China. Through these trainings, he developed advanced expertise in automotive diagnostics, calibration, wheel alignment systems, and computerized automotive service technologies.

Erwin Salarda provides professional after-sales support and technical training for automotive diagnostic and wheel alignment equipment, helping clients maximize the performance and proper use of their tools and systems. His experience covers equipment setup, software updates, calibration procedures, troubleshooting, and operational guidance for automotive workshops and service centers.

With more than a decade of experience in the automotive equipment industry, Erwin Salarda continues to support automotive businesses by delivering reliable technical expertise and practical training solutions.

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