Differential Electronic Module Repair & Return for Ford

This is a repair and return service of your existing Differential Electronic Module (DEM) or (4X4 Module).

Lifetime Limited Warranty

2005-2007 Ford Freestyle
2005-2007 Ford Five Hundred
2005-2007 Mercury Montego

7F9Z4C016B | 7F9Z-4C016-A | 5F9Z-4C016-AB


Our remanufacturing process resolves issues with codes that will not clear even after the pump and fluid was replaced, communication problems and water damage related failures and related codes stored in the DEM.
Before ordering this repair service you must:
• Replace the Haldex AOC fluid.
• Replace the Haldex AOC filter.
• Replace the Haldex AOC feed pump.
Your freshly rebuild DEM module will be destroyed instantly if you fail to replace the above mentioned parts.

Repair & Return

This is a Repair and Return of the customer’s existing DEM

Quick Turn- Around Time

Your DEM will be repaired, tested and send back to you in the same day.

Water-Proofed Housing

The DEM housing is permanently sealed with high grade sealant to prevent any future water intrusions.

Protective Circuit Board Coating

The internal circuit board is coated with conformal coating for additional protection.

Completely Reworked PCB

All internal circuit boards are tested at the component level. Any known prone to failure parts that are close to the maximum tolerance are automatically replaced.

Quality Tested

All DEM’s undergo rigorous tests on our specialized custom built CAN-Bus driven test bed. All functions, DTC’s, software, pixels and pointer motor positions are checked and verified for proper operation.

Lifetime Warranty

DEM is covered under Lifetime Limited Warranty for as long as you own the car.

Click here to view details regarding placing your order and shipping instructions.