
591-73186 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $36.00 | Top Pick! Condition is Used, Engine ECU ECM 2014 KIA OPTIMAKIA OEM #7204, FREE SHIPPING | 100.0% |
![]() | $101.18 | Condition is Used, Kia Optima 2015 ECM 954804U501 0808, FREE SHIPPING | 98.7% |

The Kia 591-73186 chassis ECM (Electronic Control Module) is a theft-locking keyless system designed specifically for certain Kia Optima models from the years 2014 to 2016. This innovative security feature is an essential addition for vehicle owners seeking enhanced protection against car theft.
The ECM is the brain of the vehicle's electrical system, controlling various functions such as engine management, powertrain, and anti-theft systems. In the case of the Kia 591-73186 chassis ECM, it comes with a keyless theft-locking feature. This means that the engine will only start if the correct and authentic key is used.
When the ignition is turned, the ECM checks the security signal transmitted by the key. If the key is authentic and the security signal matches, the engine will start. However, if an unauthorized key is used or if the signal is incorrect, the engine will not start, effectively thwarting any attempted theft.
This system not only provides an additional layer of security but also offers convenience. With a keyless entry system, users can unlock the doors and start the engine without having to physically insert the key into the ignition or door lock. The Kia 591-73186 chassis ECM combines the benefits of both keyless entry and advanced theft protection, making it an excellent investment for vehicle owners.
It is essential to note that this ECM is designed specifically for the Kia Optima models from 2014 to 2016 with chassis code KF. Installing it on a different vehicle model or year may not function correctly and could potentially cause damage to the vehicle's electrical system. Always ensure that the correct part is purchased for your specific vehicle to maintain optimal performance and safety.
The Kia Optima with the 591-73186 chassis ECM (Engine Control Module) and theft-locking keyless system is a midsize car produced by Kia Motors between the years 2014 and 2016. While making a decision to buy this specific model, it's essential to consider both its advantages and disadvantages.
Advantages:1. Enhanced Security: The theft-locking keyless system is a significant advantage for this model. It adds an extra layer of security to the vehicle, making it more difficult for thieves to steal.
2. Fuel Efficiency: The Kia Optima is known for its impressive fuel economy. This model is no exception, delivering an EPA-estimated 24 mpg city and 34 mpg highway.
3. Affordability: Compared to other midsize cars in its class, the Optima offers an attractive price point, making it a popular choice for budget-conscious consumers.
4. Comfortable Interior: The cabin of the Optima provides ample space and comfort for passengers. The features include climate control, a six-speaker sound system, and a convenient infotainment system.
Disadvantages:1. Reliability Concerns: Some owners of the Kia Optima with this specific ECM have reported issues related to engine stalling and other electrical problems. Prospective buyers should be aware of these potential concerns and consider obtaining an extended warranty or a vehicle history report.
2. Limited Advanced Safety Features: Although the Optima comes with standard safety features such as electronic stability control, traction control, and six airbags, it lacks some advanced safety technologies like blind-spot monitoring, rear cross-traffic alert, and lane departure warning.
3. Infotainment System: While the infotainment system is user-friendly, some users have reported issues with the Bluetooth connectivity and the sound quality of the speakers.
In conclusion, the Kia Optima with the 591-73186 chassis ECM and theft-locking keyless system offers several advantages, including enhanced security, fuel efficiency, affordability, and a comfortable interior. However, it also has some disadvantages, including reliability concerns, limited advanced safety features, and issues with the infotainment system.
Given the above information, potential buyers should weigh the advantages and disadvantages carefully and consider their priorities when making a decision to purchase this model. If security is a top priority, the theft-locking keyless system may outweigh any potential concerns. If reliability is a significant factor, prospective buyers should consider obtaining an extended warranty or a vehicle history report. Ultimately, the decision to buy this Kia Optima model depends on individual preferences, needs, and priorities.
Details:
Optima 16 theft-locking, keyless entry, Rh dash, us market, id 954804u501. Optima 14-15 theft-locking, keyless entry, Rh dash, us market, id 954804u500. Residential delivery is not included in the free shipping.
specifications perfoelectric:
- for models: Optima
- for years: 2014–2016
- brand: Kia
- model: Optimakia
- part type: Ecm Entry
- conditions options: Verify Id
- genuine oem: Yes
- ipn: 591-73186
- manufacturer warranty: 90 Day
general perfoelectric:
- category: Auto Parts > Electrical Components
payments perfoelectric:
- other
- credit card: diners-club
- wallet: apple-pay
seller perfoelectric:
- # reviews: 9529
- rating: 98.8%
- city: walls, mississippi
offer perfoelectric:
- prices: $36.00–$101.18
- item condition: Used
- in stock #: 2
- options: ship-to-home
- started: february 23, 2026
- availability: in stock
- sold #: 11
returns perfoelectric:
- paid by: buyer
- policy: returns accepted
- time: 60 days
shipping perfoelectric:
- class: standard
- type: fixed
- transit: 3-9 days
- service: standard
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