Plug & Play Delphi DCM7.1B 9839383580 ECU – Peugeot Boxer & Citroen Relay 2.2 BlueHDi
Pelican Diagnostics UK supplies and programs replacement Delphi DCM7.1B ECUs for compatible Peugeot Boxer and Citroen Relay 2.2 BlueHDi vehicles fitted with ECU part number 9839383580 and hardware number 9824601180.
For our standard Plug & Play Delphi DCM7.1B ECU Replacement Service, you send us your original ECU so we can extract its vehicle-specific data and clone this into a compatible replacement ECU supplied by us.
You can choose between a brand-new replacement ECU for £925 or a used replacement ECU for £595.
If your original ECU is badly damaged, unreadable or unavailable, we can also supply a compatible replacement DCM7.1B ECU with the immobiliser disabled. Please contact us before ordering this option so we can confirm suitability for your vehicle.
- ECU: Delphi DCM7.1B
- Part Number: 9839383580
- Hardware Number: 9824601180
- Engine: 2.2 BlueHDi
- Vehicles: Peugeot Boxer & Citroen Relay
- Used Plug & Play ECU: £595
- Brand-New Plug & Play ECU: £925
- Original ECU Required for Cloning: Yes
- Unreadable / Missing Original ECU: Immobiliser-disabled replacement may be available
- Turnaround: Approximately 48 hours after receiving your original ECU
- Important requirement: Original ECU must have diagnostic communications to use this replacement service
How to Order
- Check that your original ECU is a Delphi DCM7.1B with part number 9839383580 and hardware number 9824601180.
- Select either the Used Replacement ECU – £595 or Brand-New Replacement ECU – £925 option.
- Place your order on this page.
- Remove the original ECU from the vehicle..
- Include your order number inside the parcel.
- Package the ECU securely and send it to:
Pelican Diagnostics UK
Padley Farm
Drove Lane
Sleaford
Lincolnshire
NG34 8JQ
Once received, we will extract the available vehicle-specific data from your original DCM7.1B and transfer it into the compatible replacement ECU supplied with your order.
The normal turnaround is approximately 48 hours after receiving your original ECU.
If your original ECU is missing, badly damaged or cannot be read, contact us before ordering. We may be able to supply the replacement ECU with the immobiliser disabled instead.
Delphi DCM7.1B 9839383580 ECU Replacement
The Delphi DCM7.1B 9839383580 ECU is fitted to compatible Peugeot Boxer and Citroen Relay commercial vehicles using the 2.2 BlueHDi diesel engine.
A standard replacement ECU cannot necessarily be installed directly because the original unit contains vehicle-specific programming and security information.
Our Delphi DCM7.1B ECU programming Service solves this by extracting the required data from the customer’s original ECU and transferring it into the compatible replacement unit supplied by Pelican Diagnostics UK.
This provides a convenient replacement solution without requiring the customer to source and arrange programming of a donor ECU separately.
Peugeot Boxer 2.2 BlueHDi ECU Replacement
Our Peugeot Boxer ECU Replacement service covers compatible 2.2 BlueHDi vehicles fitted with the Delphi DCM7.1B ECU carrying part number 9839383580 and hardware number 9824601180.
For the standard cloning service, we copy the available programming and security information from your original ECU into our supplied replacement unit.
The replacement ECU is then returned with your original module, ready for installation into the vehicle.
Citroen Relay 2.2 BlueHDi ECU Replacement
We also provide the same Citroen Relay ECU Replacement service for compatible 2.2 BlueHDi Relay vans fitted with the Delphi DCM7.1B.
Customers can select either a brand-new or used replacement ECU, with the vehicle-specific data transferred from their original ECU wherever the original module remains readable.
Delphi DCM7.1B ECU Cloning
Our Delphi DCM7.1B ECU Cloning service transfers the available vehicle-specific data from your original ECU into the replacement module supplied by us.
Depending on the original ECU and its condition, the transferred information may include:
- Engine ECU programming data
- Vehicle-specific configuration
- Immobiliser and security information
- Calibration data
- Relevant coding and synchronisation information
The objective is to prepare the replacement ECU so it can take the place of the original module with its relevant vehicle-specific information retained.
Plug & Play DCM7.1B ECU
When the original ECU is readable and the cloning process is completed successfully, the replacement unit is prepared as a Plug & Play DCM7.1B ECU for the supported vehicle.
This avoids having to install an unprogrammed replacement ECU and then separately carry out immobiliser matching and ECU programming.
The original ECU must contain usable data for the standard plug-and-play cloning service.
Supported ECU Numbers
- ECU Manufacturer: Delphi
- ECU Family: DCM7.1B
- Part Number: 9839383580
- Hardware Number: 9824601180
Please check the complete label on your original ECU before ordering.
If your numbers differ, contact us with a clear photograph of the ECU label so compatibility can be checked before you place an order.
Supported Vehicles
This replacement service is intended for compatible:
- Peugeot Boxer 2.2 BlueHDi
- Citroen Relay 2.2 BlueHDi
Vehicle model and engine size alone are not sufficient to confirm compatibility. The ECU family, hardware number, part number and vehicle configuration must also be checked.
Used DCM7.1B Replacement ECU – £595
The £595 used ECU option includes a compatible used Delphi DCM7.1B replacement ECU supplied by Pelican Diagnostics UK and programmed using the available data extracted from your original module.
This is a cost-effective solution for customers who do not require a brand-new replacement ECU.
Brand-New DCM7.1B Replacement ECU – £925
The £925 brand-new ECU option includes a compatible new Delphi DCM7.1B replacement ECU programmed using the available vehicle-specific data extracted from your original module.
This option is suitable for customers who prefer a new replacement unit rather than a used ECU.
New ECU availability is subject to current supplier stock.
What If My Original ECU Cannot Be Read?
A readable original ECU is required for the normal cloning service because this provides the vehicle-specific data used to prepare the replacement ECU.
However, we understand that ECU failure can sometimes result in a module that is severely damaged or completely unreadable.
If your original DCM7.1B:
- Cannot be read
- Has severe internal electronic damage
- Has suffered water damage
- Has suffered voltage damage
- Has damaged or corrupted memory
- Is physically damaged
- Is missing or unavailable
we may be able to supply a compatible replacement ECU with the immobiliser disabled.
Please contact us before ordering if your original ECU is unreadable or unavailable.
DCM7.1B Immobiliser Disabled ECU
An immobiliser-disabled Delphi DCM7.1B ECU provides an alternative replacement solution when the original ECU data cannot be successfully recovered.
This can be particularly useful where the original ECU is completely dead, severely damaged or no longer available.
Because the replacement ECU cannot be cloned from the original module in these circumstances, its software and calibration may not automatically correspond with every aspect of the vehicle’s configuration.
Calibration may therefore be required for an immobiliser-disabled ECU to match the vehicle configuration correctly.
Please contact Pelican Diagnostics UK before ordering this option with your:
- Vehicle registration
- VIN
- Vehicle model
- Production year
- Engine details
- Original ECU part number, if known
- Photograph of the original ECU label, if available
Common Reasons for DCM7.1B ECU Replacement
A replacement ECU may be required where the original module has been correctly diagnosed with problems such as:
- No communication with the engine ECU
- Internal ECU failure
- Water ingress
- Corrosion damage
- Power-supply damage
- Voltage-related damage
- Processor or memory failure
- Damaged ECU connectors or internal circuitry
- Previous unsuccessful ECU repair
- Original ECU missing or unavailable
These symptoms can also be caused by wiring, power-supply, earth, CAN network, sensor or actuator faults. The vehicle must therefore be correctly diagnosed before ordering an ECU replacement.
Correct Diagnosis Is Essential
Please make sure the ECU has been correctly diagnosed before ordering.
Replacing or cloning an engine ECU will not repair unrelated faults such as:
- Damaged vehicle wiring
- Poor power or earth supplies
- CAN communication faults outside the ECU
- Faulty sensors
- Faulty actuators
- Fuel-system faults
- AdBlue / SCR system faults
- Mechanical engine problems
- Battery or charging-system faults
- Damaged connectors
A correctly programmed replacement ECU cannot resolve a fault caused elsewhere in the vehicle.
What Is Included?
- Compatible Delphi DCM7.1B replacement ECU supplied by us
- Choice of brand-new or used replacement ECU
- Data extraction from the customer’s original ECU for the standard cloning service
- Transfer of available vehicle-specific ECU data
- Immobiliser and security-data transfer where supported
- Programming of the supplied replacement ECU
- Return of the customer’s original ECU
- Approximately 48-hour turnaround after receipt of the original ECU
What Is Not Included?
- Vehicle diagnosis
- ECU removal or installation
- Vehicle wiring repairs
- Repair of unrelated engine-management faults
- Sensor or actuator replacement
- Mechanical engine repairs
- On-vehicle programming unless separately agreed
- Vehicle-level calibration unless separately agreed
Important Information
- Used replacement ECU: £595.
- Brand-new replacement ECU: £925.
- The original ECU must be sent to us for the standard cloning service.
- Normal turnaround is approximately 48 hours after receiving the original ECU.
- Original ECU must have diagnostic communications to use this replacement service
- Supported ECU: Delphi DCM7.1B.
- Part number: 9839383580.
- Hardware number: 9824601180.
- The standard service includes a replacement ECU supplied by Pelican Diagnostics UK.
- The vehicle must be correctly diagnosed before ordering.
- ECU compatibility must be confirmed before programming.
- If the original ECU cannot be read or is unavailable, contact us about an immobiliser-disabled replacement.
- An immobiliser-disabled replacement ECU may require calibration to match the vehicle configuration.
- Additional vehicle-level programming or calibration is not included unless agreed separately.
Why Choose Pelican Diagnostics?
- Specialists in ECU replacement and cloning
- Delphi DCM7.1B programming
- Replacement ECU supplied by us
- New and used replacement options
- Plug-and-play cloning where the original ECU data is readable
- Immobiliser-disabled solutions available for selected unreadable or missing ECUs
- Fast 48-hour turnaround
- UK postal service
- Trade and private customers welcome
Contact Pelican Diagnostics UK
Contact us before ordering if your original DCM7.1B ECU is unreadable, damaged or unavailable, or if you need an immobiliser-disabled replacement ECU.
- 📧 Email Pelican Diagnostics
- 📱 Send us a WhatsApp Message
- 📍 Pelican Diagnostics UK
Padley Farm
Drove Lane
Sleaford
Lincolnshire
NG34 8JQ
For a compatibility enquiry, please send:
- A clear photograph of the original ECU label
- Vehicle registration
- VIN
- Vehicle model and production year
- Engine specification
- Diagnostic fault codes where available
- Confirmation of whether the original ECU communicates or can be read
Frequently Asked Questions – Delphi DCM7.1B ECU Replacement ( 9839383580 )
Which ECU does this replacement service cover?
This service covers compatible Delphi DCM7.1B ECUs with part number 9839383580 and hardware number 9824601180.
Which vehicles use this DCM7.1B ECU?
This listing covers compatible Peugeot Boxer and Citroen Relay vehicles fitted with the 2.2 BlueHDi engine and the specified Delphi DCM7.1B ECU.
How much is a used DCM7.1B replacement ECU?
The used replacement ECU option costs £595, including the compatible ECU supplied by Pelican Diagnostics UK and standard cloning from a readable original ECU.
How much is a brand-new DCM7.1B replacement ECU?
The brand-new replacement ECU option costs £925, including the compatible ECU and standard cloning from a readable original ECU.
Do I need to send my original ECU?
Yes, for the standard plug-and-play cloning service. We need the original ECU so its available vehicle-specific data can be extracted and transferred into the replacement unit.
How long does the service take?
The normal turnaround is approximately 48 hours after we receive your original ECU.
Will the replacement ECU be plug and play?
When the original ECU is readable and the cloning process is completed successfully, the replacement ECU is prepared using the original vehicle-specific data for installation into the supported vehicle.
What happens if my original ECU cannot be read?
If the original ECU is unreadable, badly damaged or unavailable, contact us. We may be able to supply a compatible replacement ECU with the immobiliser disabled.
Can you supply an ECU if my original one is missing?
Potentially, yes. An immobiliser-disabled replacement may be available when the original ECU is missing or unavailable. Contact us with the vehicle details before ordering.
Will an immobiliser-disabled ECU need calibration?
It may. Because the original ECU data cannot be cloned when it is unavailable or unreadable, calibration may be required to ensure the replacement ECU matches the vehicle configuration.
Do you supply the replacement ECU?
Yes. Both the £595 used option and £925 brand-new option include a compatible replacement ECU supplied by Pelican Diagnostics UK.
Does the service include ECU repair?
No. This is a replacement ECU supply and programming service rather than a repair service for the original ECU.
Does the service include vehicle diagnosis?
No. The vehicle should be correctly diagnosed before ordering as the ECU is not returnable just because it hasn’t fixed your problems.
ECUs will only be considered for exchange if faulty under warranty (6 months for used ECUs & 1 year for anew ECU)
How can I confirm compatibility?
Send us a clear photograph of the original ECU label together with the vehicle registration, VIN, model, year and diagnostic fault codes where available.






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