
591-12040 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $224.99 | Condition is Used, 17-22 RANGE ROVER DISCOVERY L405 L462 AUTOMATIC TRANSMISSION GEAR SHIFT KNOB, FREE SHIPPING | ![]() |
![]() | $250.00 | Condition is Used, 17 18 19 20 21 22 23, Rover Discovery, Chassis ECM AT Rotary Shifter Knob Module, FREE SHIPPING | 99.1% |
![]() | $279.00 | Top Pick! Condition is Used, 22 RANGE ROVER Chassis Brain Box classic style (VIN G, 4th digit), Transmission, shipping cost = $20.00 | 99.9% |

The Rover 591-12040 Chassis ECM Transmission Gear Selector Module is a critical component in the powertrain system of select Rover vehicles from the years 2017 to 2020. This module, also known as the Transmission Control Module (TCM), plays a pivotal role in managing the automatic transmission's functions and interaction with the Engine Control Module (ECM).
This advanced module integrates various control functions for the automatic transmission, including gear selection, shift strategy, and torque converter lock-up. By utilizing sophisticated algorithms and real-time vehicle data monitoring, it ensures smooth, efficient, and reliable shifting between gears, ultimately enhancing the overall driving experience.
The Rover 591-12040 Chassis ECM Transmission Gear Selector Module is designed with a high-performance microcontroller, which enables quick processing of complex data and rapid response to driver demands. Its robust design ensures durability and reliability under various driving conditions, while its integration with the vehicle's on-board diagnostics system allows for efficient fault detection and troubleshooting.
Key features of this module include:1. Electronic gear selection, allowing for precise and timely gear changes.
2. Adaptive shift strategy, optimizing shift points based on driving conditions and vehicle load.
3. Torque converter lock-up control, ensuring optimal engine and transmission efficiency.
4. Integration with the vehicle's on-board diagnostics system, enabling efficient fault detection and troubleshooting.
5. Advanced fault memory, storing and logging error codes for easy diagnosis.
The Rover 591-12040 Chassis ECM Transmission Gear Selector Module is a must-have for Rover vehicle owners seeking to maintain optimal performance and reliability in their transmission system. It is a direct replacement for the original equipment, ensuring a seamless fit and reliable operation.
This module is compatible with select Rover vehicles from the years 2017 to 2020, including but not limited to:1. Rover Range Rover Sport
2. Rover Range Rover Velar
3. Rover Range Rover Evoque
It is essential to ensure that the installation is carried out by a qualified technician to ensure proper calibration and integration with the vehicle's electrical and powertrain systems.
In summary, the Rover 591-12040 Chassis ECM Transmission Gear Selector Module is a sophisticated and essential component in the powertrain system of select Rover vehicles. Its advanced control functions, robust design, and integration with the vehicle's on-board diagnostics system make it an indispensable tool for ensuring smooth, efficient, and reliable transmission performance.
The Rover 591-12040 chassis ECM transmission gear selector module is a crucial component in the powertrain system of certain Rover vehicles, primarily produced between 2017 and 2020. This part controls various functions related to the vehicle's automatic transmission, gear selection, and engine management. Let's discuss some pros and cons of buying this module to help you make an informed decision.
Pros:1. Enhanced Performance: Replacing a faulty or failing module can significantly improve the performance of your Rover's transmission and engine.
2. Smoother Shifting: A new ECM transmission gear selector module can lead to smoother gear shifts, reducing the jolts and harshness experienced during gear changes.
3. Improved Fuel Economy: A properly functioning module can help optimize fuel consumption by ensuring the transmission operates efficiently.
4. Check Engine Light Elimination: If the check engine light is on due to a faulty module, replacing it can help eliminate the warning light.
5. Long-Term Reliability: Investing in a high-quality replacement module can save you from future headaches and potential repair costs.
Cons:1. Cost: Replacing a faulty module with a new one can be an expensive proposition, especially if your vehicle is out of warranty.
2. Labor Costs: The cost of having the module installed by a professional mechanic adds to the overall expense.
3. Potential for Errors: There is a risk of introducing new errors or complications when replacing a complex component like an ECM transmission gear selector module.
4. Availability: Finding a genuine and compatible replacement module for your specific vehicle model and year may be challenging.
5. Risk of Damage: During the replacement process, there is a risk of damaging other components or causing unintended consequences.
Conclusion:The Rover 591-12040 chassis ECM transmission gear selector module is an important component for maintaining the proper functioning of your vehicle's powertrain system. While the cost and potential risks may be a concern, the benefits of improved performance, smoother shifting, and enhanced fuel economy make it a worthwhile investment for those who value the reliability and longevity of their Rover.
Recommendation:If you are experiencing issues with your Rover's transmission, engine, or gear selection, it is recommended to consult with a professional mechanic to assess the condition of your ECM transmission gear selector module. They can help diagnose the issue and provide you with the best solution for your situation, whether it be a repair or replacement. Keep in mind that purchasing a high-quality, genuine replacement module from a reputable supplier can help mitigate any potential risks and ensure the long-term reliability of your Rover.
Details:
Standard warranty. Discovery 17-20 transmission; gear selector module, console mounted.
specifications perfoelectric:
- for years: 2017–2020
- brand: Rover
- model: Discovery
- part type: Ecm Transmission Gear Module
- conditions options: Transmission Gear Selector
- genuine oem: Yes
- ipn: 591-12040
returns perfoelectric:
- time: 60 days
- policy: returns accepted
- paid by: buyer
general perfoelectric:
- category: Auto Parts > Electrical Components
shipping perfoelectric:
- service: standard
- class: standard
- transit: 3-7 days
- type: fixed
offer perfoelectric:
- sold #: 14
- started: november 7, 2025
- options: ship-to-home
- prices: $224.99–$279.00
- item condition: Used
- availability: in stock
- in stock #: 3
payments perfoelectric:
seller perfoelectric:
- rating: 98.3%
- # reviews: 1314
- city: salt lake city, utah
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