OE Quality
60-Day Returns

Dorman 318-126 Engine Control Module
Reliable Engine Control Module for Jeep Grand Cherokee
The Dorman 318-126 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 connectors with 3 connector ports
- 96 male terminals with pin-type connections
- Flashable module with no flash programming required
- Mounting hardware not included; bolt-type switch mounting with 3 mounting holes
- Female connector gender for secure wiring harness connection
Technical Details and Features
The Dorman 318-126 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 three gray rectangular connectors housing 96 male pin terminals, ensuring reliable electrical connections. This engine control module is flashable, allowing for software updates without requiring initial flash programming, which simplifies installation and maintenance. The module uses a bolt-type switch mounting system with three mounting holes for secure attachment. Note that mounting hardware and wire harness are not included with this part.
Purpose and Common Applications
- Restores engine control functions in Jeep Grand Cherokee vehicles
- Resolves engine performance issues related to faulty ECMs
- Addresses problems with engine misfires and poor fuel economy
- Corrects issues with engine starting and stalling
- Supports emission control system functionality
Installation Notes and Tips
Installation of the Dorman 318-126 ECM requires careful handling of the connectors and terminals to avoid damage. Since mounting hardware is not included, ensure you have the appropriate bolts for the bolt-type mounting system. The module is designed for direct replacement and does not require flash programming, but it is flashable for future updates. Verify connector orientation and secure all connections firmly to maintain optimal engine control.
Quality Assurance and Warranty
Dorman manufactures the 318-126 Engine Control Module to meet or exceed OEM specifications for Jeep Grand Cherokee vehicles. This ECM undergoes rigorous testing to ensure durability and reliable 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.
| Brand | Dorman |
|---|---|
| Part Number | 318-126 |
| Connector Color | Gray |
| Connector Gender | Female |
| Connector Quantity | 3 |
| Connector Shape | Rectangle |
| Flash Programming Required | No |
| Flashable | Yes |
| Height | 2 |
| Length | 9 |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Powertrain Control Module |
| Removable PROM | No |
| Switch Mounting Type | Bolt |
| Terminal Gender | Male |
| Terminal Quantity | 96 |
| Terminal Type | Pin |
| Width | 6 |
| Wire Harness Included | No |
This part fits 1 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2000 | Jeep | Grand Cherokee | 4WD | 4.7L | V8 | N/A | Federal Emissions, Pre-Programmed Engine Control Module; VIN And Mileage Required For Ordering. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.