Volkswagen Golf Polo Jetta Passat 1.6L 1.4L MP ECU Engine Control Unit 03C906014EK - Original Used Part

Description

Product Title

Volkswagen Golf Polo Jetta Passat 1.6L 1.4L MP ECU Engine Control Unit 03C906014EK - Original Used Part

Diagnosis and Common Symptoms

The 03C906014EK Engine Control Unit is the central brain of the 1.4L and 1.6L MP powerplants. When this unit begins to fail, it often presents with specific hardware-level fault codes such as P0606 (Internal Processor Fault) or P0601 (Control Module Read Only Memory Error). Technicians frequently report U0100 codes, indicating a total loss of communication between the ECU and the rest of the CAN bus network. Physical symptoms include the vehicle intermittently stalling while driving, a "No Crank" condition where the starter relay is not triggered, or persistent misfires that cannot be resolved by replacing ignition coils or spark plugs. If your diagnostic tool cannot establish a handshake with the ECU while the rest of the modules are accessible, the internal power regulator or processor has likely failed.

Introduction

This is a Genuine used Magneti Marelli Engine Control Unit specifically programmed for Volkswagen 1.4L and 1.6L applications. Each unit is sourced from low-mileage donor vehicles and has undergone a comprehensive bench test to verify that all driver circuits and communication protocols are fully functional. By opting for a Genuine used part, you ensure that the internal hardware architecture perfectly matches your vehicle’s factory requirements, providing a reliable and cost-effective solution compared to high dealership retail prices.

Product Details

• Brand: Volkswagen
• Model Compatibility: Golf, Polo, Jetta, Passat (1.4L / 1.6L)
• Part Name: Engine Control Unit (ECU)
• Part Number: 03C906014EK
• Condition: Genuine Used (Tested Working)
• Notes: This unit contains immobilizer data and requires professional cloning or adaptation to your vehicle's VIN to enable engine start.

Frequently Asked Questions

Q: What symptoms indicate failure? A: Common indicators include a complete lack of communication with diagnostic scanners, intermittent engine cutout, or the vehicle entering "Limp Mode" with internal ROM/RAM error codes.

Q: Does this require coding? A: Yes. Because this is a Genuine Volkswagen security component, it is locked to the donor vehicle's immobilizer. You will need to clone your original ECU data onto this unit or perform an "Immo Off/Adaptation" procedure using specialized tools.

Q: Is this original? A: Yes, this is a Genuine factory-fitted component manufactured for Volkswagen, ensuring the highest level of compatibility and heat resistance.

Why Choose Us?

• Verified functionality: Every unit is tested for CAN bus stability and injector driver output.
• Actual photos/videos provided: We provide transparency so you can inspect the physical condition of the casing and connector pins.
• 30-day exchange warranty: We stand behind our recycled electronics with a replacement guarantee.
• Technical benefit: Sourced from climate-controlled environments to prevent the internal solder degradation common in high-mileage units.

Shipping

Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)

Warranty and Return Policy

• 30-day exchange warranty from the date of receipt.
• Proof of professional installation by a qualified workshop is required for warranty claims.
• No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
• Exchange only for confirmed internal electronic defects.

How to Order

1. WhatsApp us to confirm compatibility with your specific VIN.
2. Send your chassis number or a clear photo of your old unit label.
3. Confirm order details and stock availability.
4. Receive actual product photos and diagnostic test confirmation.
5. Make payment via bank transfer.
6. Item is shipped immediately with tracking details provided.

Contact Us

William – https://wa.me/60102992988 Lok – https://wa.me/60177720143

Price Notice

Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.