Smart Fortwo 451 Gearbox transmission Control Module A4519011600 – Original Used Part

Description

Product Title

Smart Fortwo 451 Gearbox transmission Control Module A4519011600 – Original Used Part

Diagnosis and Common Symptoms

In the Smart Fortwo 451 platform, the Transmission Control Module (TCM) acts as the brain for the automated manual gearbox. When this unit begins to fail, the most notorious indicator is the Three Horizontal Bars (3 Bars of Death) appearing on the instrument cluster instead of the gear indicator. You may experience a complete "no-start" condition because the module cannot verify the transmission is in Neutral. Common diagnostic fault codes include P0702 (Transmission Control System Electrical), P0805 (Clutch Sensor Circuit), or communication timeouts on the CAN bus. Physical symptoms often include jerky gear engagement, the vehicle getting stuck in a specific gear, or a total refusal to engage Reverse. If your clutch actuator and gear motors are verified as functional, the internal circuitry of the A4519011600 is likely the culprit.

Introduction

This is a Genuine factory-original Transmission Control Module specifically harvested from a donor Smart 451. Unlike aftermarket replicas that often struggle with communication protocols, this Genuine unit ensures seamless integration with the vehicle's existing electronics. Every module has undergone a rigorous bench test and vehicle-cycle test to confirm it processes shift commands and sensor feedback without latency. By choosing a verified Genuine used part, you maintain the factory shifting logic and reliability essential for the 451's unique drivetrain.

Product Details

• Brand: Smart / Mercedes-Benz
• Model Compatibility: Smart Fortwo (451) 2007-2014
• Part Name: Transmission Control Module (TCM / TCU)
• Part Number: A4519011600
• Condition: Genuine Used (Tested Working)
• Notes: This unit is housed in a high-durability casing. Please ensure your technician clears all stored fault codes in the SAM and ECU modules after installation.

Frequently Asked Questions

Q: What symptoms indicate failure? A: The most common signs are the three bars on the dashboard, the engine failing to crank, or the transmission failing to shift out of "N" or "R" despite the lever position.

Q: Does this require coding? A: Yes. For optimal performance, this module requires a "Teach-in" process using a Star Diagnosis (MB SD Connect) system or a high-level professional scanner to calibrate the clutch biting point and gear selector positions.

Q: Is this original? A: Yes, this is a Genuine Smart component. We do not stock generic or third-party transmission controllers due to high failure rates in those units.

Why Choose Us?

• Verified functionality through professional diagnostic scanning
• Actual photos and videos of the part available upon request
• 30-day exchange warranty for peace of mind
• Technical support provided by experienced technicians familiar with the 451 chassis limits

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.

Compatible Models