
591-57144 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $73.87 | Condition is Used, 88 89 90 91 92 93 94 95 96 JAGUAR XJS CHASSIS ECM ELECTRONIC CONTROL MODULE, FREE SHIPPING | 98.7% |

The Jaguar 591-57144 ECM Control Module is an essential component of the XJS chassis system manufactured by Jaguar Land Rover between 1989 and 1996. This engine control module (ECM) is responsible for managing various engine functions, ensuring optimal performance and adherence to emissions regulations.
Measuring approximately 11.2 x 7 x 2.8 inches (28.5 x 17.7 x 7.1 cm), this module is designed to fit seamlessly into your XJS chassis. Its sleek, black housing is engineered to blend seamlessly with the vehicle's interior, while its robust construction ensures reliability and durability.
The 591-57144 ECM Control Module is compatible with various Jaguar XJS engines, including those with fuel injection systems. It communicates with the powertrain control system, fuel system, and other vehicle sub-systems to maintain efficient engine operation.
This module is equipped with advanced self-diagnostic capabilities, enabling it to detect and troubleshoot issues within the engine management system. It also features a user-friendly programming interface, allowing experienced users to customize settings for enhanced performance or improved emissions compliance.
Installation of the 591-57144 ECM Control Module typically requires connecting it to the vehicle's wiring harness and programming it using Jaguar's diagnostic tools. Professional installation is recommended for optimal results and to ensure the safety of your XJS.
In summary, the Jaguar 591-57144 ECM Control Module is a crucial part of your XJS chassis, responsible for managing engine functions and maintaining optimal performance. Its advanced features, compatibility with various engines, and user-friendly programming interface make it an invaluable addition to your vehicle.
The Jaguar 591-57144 ECM (Engine Control Module) is a crucial component of the XJS chassis, responsible for managing various engine functions. Replacing a faulty ECM can improve vehicle performance and prevent check engine lights from illuminating. In this discussion, we will outline some potential advantages and disadvantages of purchasing this part.
Advantages:1. Improved Engine Performance: A new ECM can help optimize engine functions, leading to improved performance and better fuel efficiency.
2. Eliminate Check Engine Lights: A faulty ECM can cause various engine-related issues, including check engine lights. Replacing the ECM can help resolve these issues.
3. Enhanced Emissions Compliance: The ECM plays a significant role in managing emissions. A new ECM can help ensure your Jaguar XJS complies with emissions regulations.
Disadvantages:1. Cost: OEM (Original Equipment Manufacturer) parts like the Jaguar 591-57144 ECM can be quite expensive compared to aftermarket alternatives.
2. Availability: Due to its specific application to the Jaguar XJS, the ECM might not be readily available at all auto parts stores or online retailers.
3. Complex Installation: Installing an ECM can be a complex process, especially for non-professionals. It requires specialized tools and knowledge.
In conclusion, the Jaguar 591-57144 ECM control module can offer several advantages, such as improved engine performance, elimination of check engine lights, and enhanced emissions compliance. However, it also comes with some disadvantages, including high cost, limited availability, and complex installation.
Based on these factors, it is recommended that only those with a good understanding of vehicle systems, access to specialized tools, and sufficient budget consider purchasing the Jaguar 591-57144 ECM control module. For others, a less expensive aftermarket alternative or professional repair service might be a more feasible option.
Details:
Good used part this is a good tested used part. This is a nice used part ready to be installed in your vehicle. Notes door lock module 4/04/23. Mileage 95000 miles not available or unknown.
Xjs 88-96 theft-locking; door central locking, Rh kick panel. Vehicle has collision damage but the items was untouched in accident. If you are looking for a good, used guaranteed item this is the one. Part detail see help.
specifications perfoelectric:
- for years: 1988–1996
- brand: Jaguar
- part type: Ecm Control Module
- conditions options: Door Lock Module
- genuine oem: Yes
- ipn: 591-57144
- year: 1989
general perfoelectric:
- category: Auto Parts > Car Truck Accessories
returns perfoelectric:
- time: 30 days
- paid by: buyer
- policy: returns accepted
seller perfoelectric:
- # reviews: 7101
- city: lynn, massachusetts
- rating: 98.9%
shipping perfoelectric:
- service: ups ground
- carrier: ups
- class: standard
- transit: 4-7 days
- type: fixed
offer perfoelectric:
- best offers: true
- options: ship-to-home
- price: $73.87
- item condition: Used
- availability: in stock
- started: march 27, 2026
- sold #: 10
- in stock #: 1
payments perfoelectric:
- wallet: paypal
- other
- credit card: mastercard
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