Bosch EDC17CP20 ECU Fault - VW T5 non starting

Are you experiencing a loss of power, the glow plug light flashing, or non-starting issues with your VW Transporter T5? The Bosch EDC17CP20 ECU is a known cause of these symptoms. Fortunately, you’re in the right place, as we offer a professional test and rebuild service designed to diagnose and resolve these faults permanently.

SHOP NOW - Bosch EDC17CP20 ECU Rebuild

The Bosch EDC17CP20 is an engine ECU fitted to a wide range of VAG 2.0L TDI models, with several variants used across different vehicles. One of the commonly affected variants is the EDC17CP20-2.7, which is fitted to VW Transporter T5 (2009-2015) and first-generation VW Amarok (2010-2012) models. When a failure occurs, it disrupts the ECU’s ability to correctly control fuel injection, leading to starting problems. The good news is that we’re the experts at resolving these issues with our remanufacturing service. Send us your VW T5 control unit via this test form and restore full functionality in 2-3 working days.

What is the Bosch EDC17CP20?
The Bosch EDC17CP20 is a high-performance diesel engine control module based on Infineon’s TriCore design, primarily used in 2.0L TDI engines to regulate fuel injection and turbocharger boost control. With ECU software and calibration varying across the VAG range, the EDC17CP20 was produced in several variants, including the commonly affected EDC17CP20-2.7. Despite the advanced design, these units are vulnerable to failure due to internal wear. Over time, exposure to high temperatures and electrical stresses leads to component degradation within the ECU.

Common Bosch EDC17CP20 faults
The engine ECU constantly processes data from engine sensors to keep the engine running correctly. When a fault develops, the engine ECU loses its ability to process these signals, failing to activate the injectors and disrupting fuel delivery. On the VW Transporter T5, this frequently results in a flashing glow plug light, sudden loss of engine power, or in more severe cases, a complete non-start. These symptoms are often misdiagnosed as faults with external factors such as damaged wiring, faulty fuel rail pressure sensors or injectors, but in many cases, the root cause lies within the ECU itself. 

Is a Bosch EDC17CP20 replacement the best solution? 
When many owners trace these faults back to a defective ECU in their VW T5, they are often advised to replace the control module with a brand-new one. While this might appear to be a straightforward solution, brand-new units are often just as vulnerable to failure as the original one. Containing the same internal components and with a high replacement cost, brand new units do not provide long-term reliability or a cost-effective solution. We offer a better alternative that addresses the root cause of these faults properly.

Our EDC17CP20 solution
We offer an alternative solution to a standard replacement. Our remanufacturing process will strengthen all weak points of the ECU’s internal circuitry by addressing the root cause of failure in 2-3 working days. We remanufacture these units using higher-than-OEM-standard components, ensuring the unit remains fully functional for the long-term. We’ll cover you with a lifetime warranty for the extra peace of mind and you won’t have to reprogramme the ECU back to the vehicle. It will be plug-and-play when you receive the unit back. Complete this test form to have your VW Transporter T5 ECU remanufactured and resolve non-starting issues.

Common failure symptoms:

• Non-start
• Loss of power
• EML on
• Flashing glow plug light
  
  

Test and rebuild:
Each Bosch EDC17CP20 ECU we receive is thoroughly tested on our custom-built Hardware-in-the Loop testing rigs, designed to simulate real-world load conditions. If the unit is identified as faulty, our technicians will rebuild the unit with components that are of a higher quality than standard.

Programming:
You won’t need to reprogramme your rebuilt ECU back to your vehicle. All coding information previously stored in the ECU is retained throughout our process.

Quality:
Our strict quality assurance process is proven by our defect rate of 0.49%, guaranteed by our unlimited lifetime mileage warranty. That is why major dealerships around the world trust us as their primary rebuild service provider.

 
Warranty:

Lifetime unlimited mileage*

 
How do I get my unit rebuilt?

To pay for the rebuild click the Shop Now link above, select your part number and click: Get yours rebuilt.

Print the payment/booking confirmation email.

Package the Bosch EDC17CP20 unit inside a sturdy box with plenty of packaging material and make sure you include your confirmation email in the box.

Send us your package by tracked courier (the shipping instructions are on the confirmation email).

Once received we will test, rebuild and return your engine control unit with an unlimited mileage lifetime warranty. If your unit turns out not to be faulty then we will refund your payment less a small testing fee and return shipping.

 
What if I don’t want to pay up front?

This is not a problem, if you prefer this option then follow these steps:

Fill in and submit this test form.

Print the booking confirmation email.

Package the Bosch EDC17CP20 inside a sturdy box with plenty of packaging material and make sure you include your confirmation email in the box.

Send us your package by tracked courier (the shipping instructions are on the confirmation email).

Once received, we will test your engine control unit and call to inform you of the outcome of testing. If your unit is faulty and you choose to go ahead with the rebuild, then we will take payment over the phone using a debit/credit card.

We will then rebuild your ECU and return it to you with an unlimited mileage warranty.

If you require further information regarding this Bosch EDC17CP20 then please contact us.