A Guide to the 2002-2006 Acura RSX Door Lock Actuator
If your RSX power locks are acting up or have stopped working, here is what you need to know.
- Actuator failure is a very common problem for the 2002-2006 RSX; you are not alone.
- A failed driver's side actuator can disable the key fob for both doors.
- The repair is DIY-possible but involves working in tight spaces and requires an impact screwdriver for best results.
- Affordable aftermarket brands are a popular and effective solution compared to more expensive OEM parts.
Is Your Acura RSX Door Lock Actuator Failing?
A faulty door lock actuator is a very common issue for the 2002-2006 Acura RSX. The driver's side actuator typically fails first due to more frequent use. These symptoms are clear signs that it's time for a replacement.
Key Symptoms of Failure:
- Power locks don't work: The most obvious symptom is when a door doesn't lock or unlock with the key fob or the interior power lock switch.
- Remote stops working for all doors: A bad driver's side actuator can prevent the key fob from unlocking either door, even if the passenger side actuator is still good.
- Strange noises: You might hear a buzzing, grinding, or clicking sound from inside the door when you try to lock or unlock it. This is the sound of the internal motor and gears struggling or breaking.
- Erratic operation: The locks might work sometimes but not others, or they may lock and unlock on their own.
- Manual lock is stiff or stuck: In some cases, the internal lock plunger can become difficult or impossible to push down by hand.
Known Issues and TSBs
Acura has acknowledged this issue. There is a Technical Service Bulletin (TSB) for the 2002 RSX that specifically mentions "POWER DOOR LOCKS WON'T LOCK OR UNLOCK". A TSB is not a recall, which means the manufacturer is not required to pay for the repair, but it does officially document the problem. There are no safety recalls for the door lock actuator on this vehicle.
Choosing an Aftermarket Door Lock Actuator
Since the original factory actuators are known to fail, choosing an aftermarket part is a popular and cost-effective solution. Here’s a general breakdown of the types of brands available:
- Value Brands (e.g., Replacement, Skyward): These are typically the most affordable options. Many RSX owners choose basic aftermarket actuators from online retailers and have success with them. While they restore function, their long-term durability may not match higher-end brands. They offer a good solution for budget-conscious repairs.
- Standard Aftermarket (e.g., Standard Ignition, Dorman): Brands like Standard Motor Products (which makes Standard Ignition parts) and Dorman are well-known in the aftermarket industry. They often offer a good balance of quality and price, providing a reliable repair without the cost of an OEM part.
- OEM (Original Equipment Manufacturer): This is the most expensive option. While it's a direct replacement for the factory part, the original design is prone to failure, so you are not necessarily buying a better-designed part.
Pro Tip: Replace the Assembly, Not Just the Motor
The door lock actuator is a complete assembly. Some guides show how to replace only the small electric motor inside the unit, which requires soldering and extra work. For a more straightforward and reliable repair, it is recommended to replace the entire actuator assembly.
🎬 See a complete actuator replacement on an RSX Type-S.Cost of Replacing an RSX Door Lock Actuator
The cost can vary depending on the part you choose and whether you do the work yourself.
| Item | Estimated Cost |
|---|---|
| New Aftermarket Part | $13.55 - $150.10 |
| Shop Labor | $120 - $250 |
| Total Professional Repair | $135 - $400+ |
Frequently Asked Questions
Is replacing the door lock actuator a DIY job?
Yes, it is a common DIY repair, but it can be challenging. It requires removing the door panel and working in a tight space. The most difficult part for many is removing the three screws holding the latch assembly, which are very tight and can strip easily. Using an impact screwdriver is highly recommended for this step. Expect the job to take 2-3 hours.
🎬 Watch this step-by-step RSX door lock actuator installation guide.Do I need to replace both actuators at the same time?
You only need to replace the one that has failed. However, since this is a common failure item, if one has failed, the other may not be far behind. Given the effort required to take the door panel off, some owners choose to replace both at once as preventative maintenance.
Why is the driver's side actuator more common to fail?
The driver's door is used every time you operate the vehicle, while the passenger door is used less frequently. This extra wear and tear causes the driver's side actuator to fail much more often than the passenger's side.
Will a bad door lock actuator drain my car battery?
It is possible, but not common. If the actuator has an internal short or gets stuck in a continuous loop of trying to lock or unlock, it could create a small parasitic drain on the battery. However, the most common failure is that the motor simply stops working.
Helpful Videos
Technical Specifications
OEM Part Numbers: 72155-S6A-J11 72155-S5P-A11 72115-S6A-J01 72115-S6A-J11
This is a complete door lock actuator assembly. It includes the motor and mechanical linkages required to operate the door lock. Specific part numbers exist for the driver (left) and passenger (right) side doors.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Acura RSX:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your Acura RSX Door Lock Actuator Failing?
- Key Symptoms of Failure:
- Known Issues and TSBs
- Choosing an Aftermarket Door Lock Actuator
- Pro Tip: Replace the Assembly, Not Just the Motor
- Cost of Replacing an RSX Door Lock Actuator
- Frequently Asked Questions
- 🎟️ Get 5% Off