Airbag Light or Dead Horn? Replace the Clock Spring on a 2003–2008 Toyota Corolla or Matrix
An illuminated airbag warning light, an inoperative horn and cruise control that suddenly stops responding may appear to be separate electrical problems. On a 2003–2008 Toyota Corolla or Toyota Matrix, however, all three can point to one component hidden behind the steering wheel: the clock spring.
Also known as a spiral cable, the clock spring maintains the electrical connection between the rotating steering wheel and the stationary steering column. When its internal ribbon cable wears through or breaks, the driver’s airbag, horn, cruise-control switch and other steering-wheel circuits may stop communicating with the vehicle.
APDTY 115444 is a brand-new replacement steering-wheel clock spring compatible with 2003–2008 Toyota Corolla and Matrix models. It replaces Toyota numbers 84306-02110 and 84306-52060, as well as several popular aftermarket interchange numbers.
This part is available exclusively through APDTY.com. At the time of publication, the APDTY direct price is just $12, although pricing and availability are subject to change.
Check the current price and buy APDTY 115444 directly from APDTY
APDTY 115444 Quick Product Guide
| Specification | APDTY 115444 |
|---|---|
| Part type | Steering-wheel clock spring/spiral cable |
| Condition | Brand new |
| Compatible vehicles | 2003–2008 Toyota Corolla and Toyota Matrix |
| Toyota numbers replaced | 84306-02110, 8430602110, 84306-52060 and 8430652060 |
| Aftermarket interchanges | 525-402, CSP192, CLS292 and SK525402 |
| Circuits supported | Driver’s airbag, horn and applicable steering-wheel controls |
| Common symptoms | Airbag light, dead or intermittent horn and inoperative cruise control |
| Installation level | Intermediate to advanced DIY or professional installation |
| Typical installation time | Approximately 1–2 hours |
| Programming required | Normally no, although SRS codes may need to be cleared |
| Warranty | 12 months or 12,000 miles, part exchange only |
Order APDTY 115444 from APDTY.com
Confirm Vehicle Fitment Before Ordering
APDTY 115444 is listed for:
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2003–2008 Toyota Corolla
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2003–2008 Toyota Matrix
Toyota OE catalog information identifies 84306-02110 for Corolla CE, LE, S and XRS trims and Matrix Base, XR and XRS trims equipped with a 1.8L engine. Always confirm the year, model and original clock-spring number before installation.
Do not assume that similar vehicles automatically fit
Some aftermarket catalogs show visually similar clock springs for the 2002 Corolla, Pontiac Vibe and certain Scion models. The current APDTY 115444 product listing specifically identifies 2003–2008 Toyota Corolla and Matrixapplications.
Do not order for an unlisted vehicle based only on appearance or a marketplace description. Use the Check Fitmentoption on the APDTY product page or contact APDTY if the application is uncertain.
What Does a Clock Spring Do?
A conventional wire cannot connect the steering wheel directly to the steering column because the wheel must rotate several turns without twisting or pulling the wire apart.
The clock spring solves this problem with a flat electrical ribbon wound inside a circular plastic housing. As the steering wheel turns, the ribbon winds in one direction and unwinds in the other. This provides a continuous electrical path while allowing normal steering-wheel movement.
On these Toyota models, the clock spring carries circuits used by systems that may include:
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The driver’s front airbag
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The horn
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Cruise control
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Other factory steering-wheel-mounted controls, when equipped
An industry cross-reference for the equivalent 525-402 design similarly identifies its purpose as maintaining current to the airbag, horn and steering-wheel controls. APDTY 115444 replaces that interchange number along with Toyota 84306-02110 and 84306-52060.
Why Does the Original Toyota Clock Spring Fail?
There is no well-documented, model-specific manufacturing defect that explains every clock-spring failure on these vehicles. In most cases, failure is associated with age, repeated movement or damage during an earlier repair.
Ribbon-cable fatigue
Every steering movement winds or unwinds the ribbon inside the housing. After years of driving and thousands of steering cycles, one or more conductors can fatigue and break.
A partial break may create an intermittent connection that works only when the steering wheel is positioned a certain way. A completely separated conductor can permanently interrupt the affected circuit.
Incorrect centering
The clock spring has a limited number of turns in each direction. It must be centered when the front wheels and steering wheel are pointing straight ahead.
If the clock spring is installed one or more turns away from center, the ribbon may reach the end of its travel before the steering system reaches full lock. Continuing to turn the wheel can stretch or tear the ribbon.
This is one of the most important causes of premature failure following steering-wheel, steering-column, rack or front-suspension work.
Steering wheel turned while disconnected
When the steering wheel or steering shaft is disconnected from the front wheels, the clock spring can be rotated beyond its normal range. The front wheels ordinarily limit steering-wheel travel; once the linkage is disconnected, that protection may be lost.
If an airbag warning light or dead horn appeared immediately after steering work, an over-rotated or off-center clock spring should be considered.
Physical damage
Toyota’s inspection procedure calls for replacement when the clock-spring housing or connectors have cracks, scratches, dents or chipped areas. Damaged clips, pinched wiring and poorly seated connectors can also interrupt the circuits.
Previous collision or airbag deployment
A clock spring from a collision-damaged vehicle may have unknown internal damage or rotation history. Airbag-related components should not be selected solely because a used part looks intact.
APDTY 115444 is supplied as a new replacement, avoiding the unknown wear and positioning history of a salvage-yard clock spring.
Common Symptoms of a Failed Clock Spring
Airbag or SRS warning light
A broken conductor in the driver’s airbag circuit can illuminate the SRS warning light. Because the clock spring is part of the deployment circuit, a fault may prevent the driver’s airbag from operating as intended.
An SRS warning should be diagnosed promptly even if the car otherwise drives normally.
Horn does not work
The horn circuit passes through the clock spring. A failed cable can cause:
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A completely dead horn
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A horn that works intermittently
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A horn that works only at certain steering-wheel positions
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In less common cases, a horn that sounds unexpectedly while turning
A dead horn can also be caused by a fuse, relay, horn assembly, switch or wiring fault, so diagnosis should come before replacement.
Cruise control stops working
If the vehicle is equipped with a steering-wheel-mounted cruise-control switch, its electrical connection also passes through the clock spring. A damaged ribbon can prevent the cruise-control commands from reaching the vehicle.
Cruise control and the horn failing around the same time strongly suggest a shared steering-wheel connection problem.
Intermittent operation while turning
A fractured ribbon may briefly reconnect as it flexes. Symptoms that appear or disappear depending on steering-wheel position are a particularly useful diagnostic clue.
Scraping or rubbing inside the steering wheel
A physically damaged clock spring may produce a light scraping, rubbing or clicking noise behind the steering wheel. Noise alone does not prove the clock spring has failed, but it deserves inspection when combined with electrical symptoms.
Toyota Airbag Codes Associated With the Clock-Spring Circuit
A basic engine-code reader may not access Toyota’s SRS module. Diagnosing an airbag warning generally requires a scan tool capable of reading Toyota body and airbag systems.
Depending on the model year and airbag configuration, clock-spring circuit problems may be associated with the following Toyota codes:
| Toyota code | General description |
|---|---|
| B0100/13 | Short in driver-airbag squib circuit |
| B0101/14 | Open in driver-airbag squib circuit |
| B0102/11 | Driver-airbag squib circuit short to ground |
| B0103/12 | Driver-airbag squib circuit short to battery voltage |
| B1180/17 | Short in driver-airbag second-stage squib circuit |
| B1181/18 | Open in driver-airbag second-stage squib circuit |
| B1182/19 | Second-stage driver-airbag circuit short to ground |
| B1183/22 | Second-stage driver-airbag circuit short to battery voltage |
Toyota’s repair information explains that the driver-airbag squib circuit includes the airbag sensor assembly, spiral cable and steering-wheel airbag assembly. Therefore, these codes do not automatically prove that the clock spring is defective.
The possible cause could also be:
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A disconnected or damaged SRS connector
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Vehicle wiring between the clock spring and airbag control module
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The driver’s airbag module
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The airbag control module
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Damage from a previous repair or collision
An open-circuit code such as B0101 or B1181, especially when paired with a dead horn or cruise control and symptoms that change with wheel position, makes a broken clock-spring ribbon a strong possibility.
Important SRS testing warning
Never use a test light, jumper wire or ordinary resistance test directly on an airbag inflator connector. Applying electrical current to an airbag squib can be dangerous.
Toyota diagnostic procedures require specific precautions and service equipment. If you are not trained in SRS diagnosis, have a qualified technician identify the failed component before ordering.
Rule Out Simpler Problems First
Before replacing the clock spring, check whether the symptoms can be traced to a simpler component.
If only the horn has failed
Inspect:
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The horn fuse
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The horn relay
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The horn assemblies
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Wiring near the front of the vehicle
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The horn-switch circuit
If the horn fuse and relay test correctly and the horn works when activated directly, the problem may be in the steering-wheel switch or clock spring.
If only the airbag light is on
Read the SRS codes before removing parts. The warning could be caused by seat wiring, pretensioner circuits, an impact sensor, a passenger-occupant system or another airbag component unrelated to the steering wheel.
If several steering-wheel functions fail together
Simultaneous failure of the airbag circuit, horn and cruise control is more consistent with a common connection such as the clock spring.
Why Choose APDTY 115444?
Website-exclusive value
APDTY 115444 is currently available only through APDTY.com. At publication, its direct sale price is $12, making it an especially economical repair option for an older Corolla or Matrix.
Check today’s APDTY 115444 price
Exact OE-number targeting
The listing clearly identifies the Toyota and aftermarket numbers it replaces:
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84306-02110
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84306-52060
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525-402
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CSP192
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CLS292
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SK525402
Matching the original or interchange number helps remove the uncertainty created by generic clock springs that look similar in online photographs.
Brand-new replacement
The clock spring’s internal condition cannot be judged by looking at the housing. A used component may already have a partially fatigued ribbon or may have been removed while off-center.
APDTY 115444 is supplied brand new.
Direct access to APDTY support
Customers who need fitment assistance can contact APDTY directly rather than relying on an anonymous marketplace seller.
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Toll-free: 1-866-770-2771
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Direct: 1-321-777-2771
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Hours: Monday–Friday, 8 a.m.–5 p.m.
APDTY warranty coverage
APDTY’s published warranty provides a 12-month or 12,000-mile part exchange, subject to its terms and proof-of-purchase requirements. Labor and shipping are not covered.
Review the current APDTY warranty and return policy before ordering or installing an electrical part.
Tools Commonly Needed for Replacement
Exact fastener sizes can vary, but a typical Corolla or Matrix clock-spring replacement may require:
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Safety glasses
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10mm wrench or socket for the battery terminal
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T30 Torx socket
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Ratchet and extensions
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Correct socket for the steering-wheel retaining nut
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Steering-wheel puller
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Small flat-blade screwdriver or connector tool
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Phillips screwdriver
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Trim-removal tool
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Paint marker
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Inch-pound and foot-pound torque wrenches
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Toyota-compatible SRS scan tool
Before beginning, compare APDTY 115444 with the original part. Confirm that the connectors, mounting clips and housing shape match.
How to Replace the Clock Spring on a 2003–2008 Corolla or Matrix
The following is a general overview based on the Toyota Corolla repair procedure. Because this repair requires removal of the driver’s airbag, it should be performed only by someone familiar with SRS safety procedures.
1. Point the front wheels straight ahead
Park on a level surface with the front wheels and steering wheel centered. Switch the ignition off, remove the key and set the parking brake.
Do not rotate the steering wheel after the steering column or steering wheel has been disconnected.
2. Disconnect the battery and wait
Disconnect the negative battery terminal and secure the cable so it cannot accidentally touch the battery post.
Toyota specifies waiting at least 90 seconds after disconnecting the battery before beginning SRS work. This allows the airbag system’s backup power supply to discharge.
3. Remove the driver’s airbag and horn-pad assembly
Using a T30 Torx socket, loosen the two retaining screws from the sides or rear of the steering wheel. Toyota’s captive screws are designed to remain in their screw cases.
Pull the airbag and horn-pad assembly forward only far enough to access the connectors. Release the connector locks carefully and disconnect the two airbag connectors and horn connection.
Do not pull on the wires.
Place the airbag assembly on a stable surface with the padded or trim side facing upward. Never place it face down and never disassemble it.
4. Mark the steering-wheel position
Before removing the steering wheel, make clear alignment marks across the wheel hub and steering shaft. These marks help return the wheel to its original position.
Disconnect the remaining steering-wheel connector.
5. Remove the steering wheel
Remove the center retaining nut. Use the correct steering-wheel puller to separate the wheel from the shaft.
Do not hammer on the steering shaft or pull violently on the wheel. Doing so can damage the column, wiring or bearings.
Guide the connectors through the wheel as it is removed.
6. Remove the steering-column covers
Remove the three screws securing the upper and lower steering-column covers. Separate the covers carefully without breaking their plastic tabs.
7. Remove the original clock spring
Disconnect the airbag connector and the vehicle-harness connector from the back of the clock spring.
Release the three retaining claws and remove the clock spring from the steering-column switch assembly.
Inspect the surrounding connectors and wiring for:
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Bent or damaged terminals
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Broken connector locks
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Pinched wiring
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Signs of an earlier incorrect installation
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Damage to the turn-signal switch
8. Install and center APDTY 115444
Place the turn-signal switch in its neutral position. Toyota warns that incorrect positioning can damage the switch pin during installation.
Engage all three retaining claws and connect the electrical connectors.
If the new clock spring arrives centered and secured with a shipping lock or pin, keep it centered and follow the instructions supplied with the part. Do not rotate it unnecessarily.
If centering is required, Toyota’s procedure is:
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Confirm that the ignition is off and the negative battery cable remains disconnected.
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Gently rotate the clock spring counterclockwise until resistance is felt.
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Do not force it beyond the stop.
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Rotate it clockwise approximately 2.5 turns.
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Align the centering marks.
The Toyota design has approximately 2.5 turns of available movement on each side of center.
Critical warning: Never guess at the centered position
Installing the clock spring off-center can tear the new ribbon cable when the steering wheel reaches full lock. If you lose track of its position, stop and repeat the centering procedure before installing the steering wheel.
9. Reinstall the column covers and steering wheel
Reinstall the upper and lower steering-column covers.
Feed the wiring through the steering wheel and align the marks made during disassembly. Install the retaining nut.
Toyota lists a steering-wheel retaining-nut torque of:
50 N·m or 37 lb-ft
Reconnect the steering-wheel electrical connector.
10. Reinstall the airbag assembly
Reconnect both airbag connectors and confirm that their safety locks are fully seated. Reconnect the horn wire.
Position the airbag and horn-pad assembly in the steering wheel, making sure no wires are pinched.
Toyota lists a torque of:
8.8 N·m or 78 lb-in for the two T30 airbag retaining screws.
Do not confuse inch-pounds with foot-pounds. Overtightening these fasteners can cause damage.
11. Reconnect the battery and verify the repair
Make sure no one is directly in front of the airbag when power is restored. Reconnect the negative battery terminal.
Switch the ignition on and observe the SRS warning light. It should illuminate during the system’s self-check and then turn off if the system does not detect an active fault.
Test:
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The horn
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Cruise-control operation
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Other applicable steering-wheel controls
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Steering movement from side to side
Do not immediately force the steering wheel against either stop. Turn it gradually and make sure there is no binding, scraping or unusual resistance.
Use an SRS-capable scan tool to clear stored codes and rescan the system. A standard engine-code reader may not be able to perform this step.
Installation Tips That Help Prevent Another Failure
Keep the steering and clock spring centered
Centering is the single most important part of this repair. The front wheels, steering wheel and clock spring must all agree on the straight-ahead position.
Do not rotate the steering shaft with the wheel removed
Secure the steering shaft or leave it untouched while the wheel is off. Unexpected rotation can lose the steering position and damage the new cable.
Photograph every connector before removal
Photos provide a useful reference for connector location, wire routing and lock position during reassembly.
Use a steering-wheel puller
A proper puller removes the wheel evenly without hammering or pulling against the steering-column bearings.
Never force an SRS connector
Toyota airbag connectors use locking tabs and shorting mechanisms. Identify and release the lock before pulling on the connector body.
Do not turn on the ignition with the airbag disconnected
Doing so can record additional SRS codes. Keep the battery disconnected until the airbag and steering-wheel wiring have been fully reassembled.
Use the correct torque values
The steering-wheel nut and airbag retaining screws perform very different jobs and have very different torque specifications:
| Fastener | Toyota specification |
|---|---|
| Steering-wheel retaining nut | 50 N·m/37 lb-ft |
| Airbag retaining screws | 8.8 N·m/78 lb-in |
Stop if the SRS connectors or wiring are damaged
A new clock spring cannot correct a bent terminal, broken connector lock or damaged vehicle harness. Repair the underlying wiring problem before reconnecting the battery.
Frequently Asked Questions
Is a clock spring the same thing as a spiral cable?
Yes. Toyota service information generally uses the term spiral cable sub-assembly, while many aftermarket catalogs use clock spring, clockspring or airbag clock spring.
Will APDTY 115444 turn off the airbag light?
It can correct the warning when a failed clock spring is the diagnosed cause. The same SRS codes can also be caused by vehicle wiring, connectors, the airbag module or the airbag control unit.
Read the SRS codes before replacing parts.
Will it fix a horn that does not work?
It can restore the horn when the open circuit is inside the clock spring. First rule out the horn fuse, relay, horn assemblies and other wiring.
A horn that works only at certain steering-wheel positions is especially suggestive of a broken internal ribbon.
Can a bad clock spring stop cruise control from working?
Yes. The cruise-control switch wiring passes through the clock spring on equipped vehicles. If the ribbon conductor breaks, the vehicle may not receive commands from the cruise-control switch.
Does APDTY 115444 require programming?
Normally, no. The clock spring itself is an electrical connection assembly rather than a programmable control module.
Stored SRS codes may still need to be cleared with a compatible scan tool. If the airbag light remains on, rescan the system instead of assuming that programming is required.
Does it include a steering-angle sensor?
APDTY 115444 is listed as the replacement steering-wheel clock spring for the specified Toyota applications. It is not advertised as a separate steering-angle sensor assembly.
These older Corolla and Matrix applications normally do not require the steering-angle calibration procedures commonly associated with later integrated clock-spring assemblies.
Does APDTY 115444 fit a 2002 Corolla?
The current APDTY listing begins with the 2003 model year. Do not order it for a 2002 Corolla unless APDTY’s fitment system or support staff specifically confirms compatibility.
Does it fit a Pontiac Vibe or Scion?
The current APDTY product page lists only the 2003–2008 Toyota Corolla and Toyota Matrix. Similar-looking vehicles may use shared or related components, but APDTY 115444 should not be ordered for an unlisted application without direct fitment confirmation.
Is it safe to drive with a failed clock spring?
The vehicle may still steer and drive normally, but the driver’s airbag, horn or other steering-wheel functions may be unavailable. Because the airbag and horn are safety systems, the fault should be diagnosed and repaired promptly.
What if the airbag light remains on after replacement?
Check for:
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A connector that is not fully locked
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A pinched or damaged wire
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Additional SRS codes unrelated to the steering wheel
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A driver-airbag module fault
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Vehicle-harness damage
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A code that still needs to be cleared
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An incorrectly centered or damaged replacement part
Do not continue replacing components without reading the codes.
Restore the Airbag, Horn and Cruise-Control Connection
A failed clock spring can disable several important systems even though the Corolla or Matrix continues to drive normally. Fortunately, the spiral cable can be replaced separately without replacing the entire steering column or steering wheel.
If your 2003–2008 Toyota Corolla or Matrix has an illuminated airbag light, an intermittent or dead horn, inoperative cruise control, or a diagnosed driver-airbag circuit fault—and the original part matches 84306-02110, 84306-52060 or one of the listed interchanges—APDTY 115444 offers a direct, economical repair option.
This website-exclusive part is available directly from APDTY while supplies last.
Buy APDTY 115444 Steering-Wheel Clock Spring
Verify the vehicle fitment and original part number before ordering. Because installation requires removal of the driver’s airbag, use a qualified repair professional if you are not experienced with SRS service procedures.
