Dorman 318-261 Engine Control Module (ECM)

Engine Control Module for 2003 PT Cruiser

This Dorman engine control module is a remanufactured ECM for the 2003 Chrysler PT Cruiser. It processes sensor inputs to manage ignition timing and fuel delivery, helping restore proper engine operation when the original module has failed. Part number 318-261 is tested to meet original equipment performance standards.

Key Features

• Remanufactured engine control module for engine management replacement
• Designed for 2003 Chrysler PT Cruiser applications with VIN, mileage, and tire size required to order
• Black housing with 4 rectangular female connectors
• 152 terminals and 3 mounting holes
• Flashable module; flash programming required: No
• Wire harness not included
• Removable PROM: No

Detailed Description

Dorman 318-261 is an engine control module built for the 2003 Chrysler PT Cruiser. As the ECM, it receives data from engine sensors and uses that information to control ignition and fueling for consistent drivability and efficiency. This remanufactured unit is tested to match original equipment performance, making it a direct replacement choice when diagnosing a failed module on a Chrysler PT Cruiser.

The module features a black connector color, female connector gender, pin-style terminals, a rectangular connector shape, and a compact 9 x 1.5 x 6-inch form factor. It is flashable, does not require flash programming, and uses 4 connectors with 152 terminals. Part number 318-261 also cross-references 5033074AC and 5033074AD for the same application.

What It Helps Fix

• Hard starting or no-start conditions caused by ECM failure
• Rough idle or unstable engine operation
• Incorrect fuel delivery or ignition control
• Check engine light concerns tied to module faults
• Loss of engine management communication on the 2003 Chrysler PT Cruiser

Installation Notes and Tips

Fits 2003 Chrysler PT Cruiser, N/A. VIN, mileage, and tire size are required to order this module. Verify connector count, connector shape, and terminal layout before installation. Because this ECM is flashable, confirm vehicle-specific calibration requirements during service. Always inspect related wiring, grounds, and sensors before replacing the module.

Quality Assurance

This Dorman ECM is remanufactured and tested to meet original equipment performance expectations. It is built for direct engine control module replacement on the listed Chrysler PT Cruiser application.