Dorman 318-120 Engine Control Module

Reliable Engine Control Module for Jeep Grand Cherokee

The Dorman 318-120 Engine Control Module (ECM) is designed specifically for Jeep Grand Cherokee models, providing precise engine management without the need for flash programming. This ECM offers a durable and efficient solution for maintaining optimal engine performance.

• Compatible with Jeep Grand Cherokee vehicles
• Dimensions: 9 inches length, 6 inches width, 2 inches height
• Gray rectangular connector with 3 connectors and 96 male terminals
• Pin-type terminals with female connector gender
• Flashable module with no flash programming required
• Mounting hardware not included; bolt-type switch mounting with 3 mounting holes
• Package includes 1 powertrain control module

Technical Details and Features

The Dorman 318-120 ECM features a compact design measuring 9" x 6" x 2" to fit seamlessly within the engine compartment of Jeep Grand Cherokee models. It includes a gray rectangular connector housing three connectors with a total of 96 male pin terminals, ensuring reliable electrical connections. The module is flashable, allowing for software updates without requiring flash programming during installation. The female connector gender and pin terminal type are engineered for compatibility with the vehicle's wiring harness. Although mounting hardware is not included, the ECM uses a bolt-type switch mounting system with three mounting holes for secure installation.

Common Applications and Problem Resolution

• Resolves engine performance issues related to faulty ECMs in Jeep Grand Cherokee
• Addresses engine stalling or misfiring caused by control module failure
• Corrects drivability problems such as poor fuel economy or rough idling
• Replaces damaged or non-responsive powertrain control modules
• Supports ECM upgrades or replacements without complex reprogramming

Installation Notes and Tips

Installation of the Dorman 318-120 ECM requires careful handling of the electrical connectors to avoid damage to the 96-pin terminals. Since mounting hardware is not included, ensure you have the appropriate bolts for the three mounting holes. The module’s flashable design means no flash programming is required prior to installation, simplifying the replacement process. Always disconnect the vehicle battery before removing the old ECM to prevent electrical shorts.

Quality Assurance and Warranty

Dorman manufactures the 318-120 ECM to meet or exceed OEM specifications for Jeep Grand Cherokee vehicles. The module undergoes rigorous testing to ensure durability and reliable engine control performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their engine control modules to cover defects in materials and workmanship.