Overview

This BSM (Body System Module) R02-00 is a direct-fit electrical control unit used on various Citroën and Peugeot models. The module manages numerous body and convenience functions such as central locking, interior lighting, power windows, exterior lights, wipers and some vehicle comfort features. Commonly referenced by part numbers 9666700180 and 9807028580, it is regularly searched for by technicians and DIYers by these codes.

Compatibility

Typical vehicle applications (please verify year/variant against your vehicle): Peugeot 5008 I, Peugeot 407, Citroën C4 Picasso, Citroën C5 X7. Also commonly cross-referenced with codes 6500FQ and 6500HK. Always check the physical connector layout and part numbering when replacing.

Installation Recommendations

Disconnect the vehicle battery before starting work and follow manufacturer procedures to avoid electrical damage. Locate the BSM (position varies by model — commonly in the engine bay or inside a fuse/relay box behind the dash). Remove any retaining clips or screws, carefully unplug wiring connectors using lock release tabs, and transfer any necessary mounting brackets or grommets. Reconnect connectors firmly and restore battery power only after the unit is securely installed. After installation, verify all controlled functions (lights, central locking, windows, wipers, interior lights) to confirm correct operation.

Technical Information

• Manufacturer: Delphi / Siemens (designation may vary by unit)
• Model: BSM R02-00
• Product Codes: 9666700180, 9807028580
• Additional Numbers: 6500FQ, 6500HK, R02-00

Most Common Failure Reasons

BSM units typically fail due to moisture ingress and corrosion of connectors or internal circuits, thermal stress from engine-bay heat cycles, electrical surges (short circuits or poor battery connections) and internal component aging. Physical damage to mounting tabs or housing does not necessarily affect electrical function — as noted, a cracked housing mount can be cosmetic only. Regular inspection of seals, connector pins and fuse box condition helps prevent failures.

Notes

This unit is offered as a fully functional used BSM. Inspect connector pins and housing condition before installation. Replacement often restores multiple body functions at once and is a common repair for intermittent or complete loss of convenience systems.

Are you in need of a reliable, proven electrical component for your Citroën or Peugeot vehicle? The BSM R01 DELPHI is an electronic control unit that primarily fits models such as the Citroën C4 Picasso, but is compatible with various models from both brands. Focused on optimal performance and longevity, this unit is an essential part of your engine system.

The BSM, or Body Systems Module, is responsible for controlling various electronic systems in the car, including lighting, door locking, and other functions. Its reliability and versatility make the BSM R01 DELPHI a key component for the proper operation of your vehicle. Although used, it has been thoroughly checked and is in excellent condition, ready to provide maximum performance.

Technical Information
Manufacturer: DELPHI
Model: Citroën C4 PICASSO, possible compatibility with other Citroën and Peugeot models
Product Codes: 9667044880, 6500HK, 6500EC, 9807028580
Additional Numbers: 9667044880

Using this control unit is relatively straightforward for those with experience in auto repairs or professional mechanics. It is important to verify compatibility with your vehicle before installation. Due to its specific design and function, this part can become a crucial element for the proper control of your car’s electronic systems.

Investing in quality used auto parts like the BSM R01 DELPHI can lead to significant cost savings without compromising on quality and functionality. Secure this vital part for your Citroën or Peugeot today and enjoy a smooth ride knowing your vehicle is in top condition.

Installation is straightforward and can save both time and money compared to purchasing a brand-new part. The BSM (Built-in Systems Module) plays a crucial role in managing engine functions and various electrical systems, helping ensure your vehicle’s optimal performance and smooth, safe operation.

Technical Information

Manufacturer: DELPHI
Models: Citroën, Peugeot – specifically Citroën C4 Picasso
Product Codes: 9664705880, 6500HK, 6500EC, 9807028580
Additional Numbers: BSM R01

Properly functioning BSM units contribute to reliable engine management and overall vehicle safety. This unit complies with necessary specifications for seamless integration into your vehicle’s electrical system.

If you are evaluating replacement parts, this BSM R01 DELPHI unit stands out for its proven compatibility with popular Citroën and Peugeot models and trusted reliability. Ensure your vehicle receives a quality replacement part that provides peace of mind and dependable performance every time.

This BSM (Body Service Module) R02-00 is a direct-fit electronic control module commonly used in a range of Stellantis Citroën and Peugeot models. Supplied with original part references and cross-numbers, the unit controls and distributes power to multiple body electrical circuits and integrates with the vehicle CAN network. Ideal for professional workshops and DIY mechanics looking to replace a faulty BSM quickly and reliably. Compatible product codes and OE numbers are included below to help locate the correct replacement.

Technical Information

• Manufacturer: Delphi (reported), Siemens (reported)
• Model: BSM R02-00
• Product Codes: R02-00
• Other Numbers: 9664705980, 9807028580, 6500FQ, 6500HK

Compatibility

Commonly fitted to vehicles including (but not limited to): Peugeot 407, Peugeot 5008 I, Citroën C4 Picasso, Citroën C5 X7. Always match the module part number and connector layout to the original unit before installation.

Function And Role

The BSM acts as a central body electrical module that powers and manages multiple vehicle functions such as lighting circuits, wiper control, central locking, window and mirror functions and power distribution to auxiliary relays depending on vehicle equipment. It communicates with other on-board modules via the vehicle CAN bus and contains fuse/relay interfaces and the control electronics that handle switching and diagnostic feedback.

Installation Recommendation

• Disconnect the negative battery terminal before starting work to avoid short circuits and protect electronic modules.
• Remove necessary trim and access panels to reach the BSM housing; keep screws and clips organized.
• Carefully release electrical connectors using manufacturer-recommended tools; inspect connector pins for corrosion or damage.
• Fit the replacement unit into the original mounting position and secure fasteners. Repair or replace any broken mounting tabs if required to ensure a stable installation.
• Reconnect connectors and the battery, then perform basic function checks (lights, wipers, central locking, etc.). Some vehicles may require additional configuration or clearing of fault codes with diagnostic equipment.
• Follow the vehicle manufacturer’s procedures during removal and installation to avoid damage to the module and wiring.

Most Common Failure Reasons

• Moisture Ingress And Corrosion: Water entry into the housing or corroded connector pins can interrupt signals and power paths.
• Electrical Overload Or Short Circuits: Faulty wiring, aftermarket accessories, or power surges can damage internal electronics.
• Thermal Stress And Ageing: Repeated heat cycles and long service life may lead to component degradation.
• Mechanical Damage: Impact, vibration or broken mounting points (housing tabs) can cause poor grounding or connector strain—note: cosmetic cracks in a mounting tab do not necessarily affect module operation.

Notes On Condition

The unit may show a cracked mounting tab on the housing as noted; this cosmetic damage does not affect the electronic function of the module. The module is reported fully functional. Inspect connector integrity and surrounding wiring before installation to ensure reliable operation after fitting.

High-quality used BSM R02 (Delphi) ideal for professional workshops and DIY mechanics looking for a reliable replacement Body System Module for select Citroën and Peugeot models. This unit controls multiple body electrical functions (lighting, wipers, relays and power distribution) and is identified under common part numbers 9807028580 / 6500FQ / 6500HK. Although the housing shows a cracked side guide that is purely cosmetic, the module is fully operational. Supplied as a direct-fit used spare, it increases the chance of quick fault resolution on vehicles exhibiting intermittent body electrics, blown fuses or non-responsive accessories.

Technical Information

• Manufacturer: Delphi
• Model: BSM R02 (Body System Module)
• Product Codes: 9807028580, 6500FQ, 6500HK
• Other Numbers: BSM R02

Installation Recommendations

Always perform installation in a dry, static-free environment. Recommended basic steps:

• Disconnect the vehicle battery before starting work to avoid short circuits and protect electronics.
• Locate the BSM (typically positioned in the engine bay or close to the fuse/relay box under a protective cover) and remove any trim or fasteners.
• Carefully unplug all electrical connectors and mark or photograph connector positions if needed to ensure correct reassembly.
• Replace the unit, reconnect connectors firmly, refit covers and secure fasteners to the original torque specification where applicable.
• Reconnect the battery and verify all body functions (lights, indicators, wipers, central locking, etc.). Check related fuses and relays after installation.

In some vehicles, replacing a body module can require diagnostic verification, parameter adaptation or coding to restore full functionality with the vehicle CAN network and immobilizer system. If any functions remain inoperative after fitting, use a suitable PSA diagnostic tool or consult an experienced technician.

Why This Part Most Often Fails

• Water ingress and corrosion causing electrical faults in connectors or PCB tracks.
• Thermal stress from repeated heating and cooling cycles leading to solder joint or component failure.
• Electrical surges, short circuits or poor earth connections that overload internal electronics.
• Mechanical damage to the housing or connectors (the supplied unit has a cosmetic crack on the side guide which does not affect function).
• Age-related wear and degraded components after many years in service.

Fitment / Compatible Models

• Citroën C4 Picasso
• Peugeot 3008 I
• Peugeot 5008 I

Keywords: BSM R02, Delphi BSM, 9807028580, 6500FQ, 6500HK, Citroën C4 Picasso BSM, Peugeot 3008 BSM, Peugeot 5008 BSM, Body System Module.

High-quality used BSM R02 by Delphi, ideal for professional workshops and DIY mechanics seeking a reliable replacement body control module for compatible Citroën and Peugeot models. This unit controls multiple vehicle body electrical functions, including relays and fuse circuits, and is commonly searched by product codes (9675877980, 9807028580, 6500FQ). The module is suitable for technicians who want a straightforward swap with practical installation guidance and a clear understanding of typical failure causes.

Technical Information

• Manufacturer: Delphi
• Model: BSM R02
• Product Codes: 9675877980, 9807028580, 6500FQ
• Other Numbers: 6500.FQ, 6500FQ

Fitment

Commonly fitted to Citroën C4 Picasso and Peugeot 5008 (first generation) platforms using the 6500FQ/9675877980/9807028580 part numbering. Always verify physical appearance and connector layout against the unit being replaced.

Function

The BSM (Body System Module) R02 centralizes several body electrical functions: distribution of fused power to circuits, control of relays for lights and accessories, management of convenience circuits (wipers, central locking, etc.) and diagnostic communication with vehicle networks. Failure of the BSM can cause loss of multiple body functions or intermittent electrical faults.

How To Replace

• Disconnect the negative battery terminal before any work to prevent short circuits and risk to the module.
• Locate the BSM (typically in a fuse/relay box area; exact position depends on model and model year) and remove surrounding trim or protection panels to access the unit.
• Carefully release connectors and locking tabs. Inspect connector pins and sockets for corrosion or damage.
• Remove mounting fasteners and lift out the module. Note the orientation and routing of wiring for correct reinstallation.
• Fit the replacement unit, secure fastenings, reconnect all connectors and restore any removed trim panels.
• Reconnect the battery and perform a basic function check (lighting, wipers, central locking, instrument warnings). If fault codes persist, further diagnostics with workshop equipment may be required.

Installation Recommendations

• Always disconnect the battery before removal and installation to avoid damage to the module and vehicle electrical system.
• Handle the unit by the housing; avoid touching connector pins and electronic components. Use anti-static precautions where possible.
• Inspect and clean connector terminals and earth points. Replace damaged connectors or corroded terminals before fitting the new module.
• Ensure the module is securely mounted. A cracked mounting bracket on the housing may not affect function, but secure fastening reduces risk of vibration-related connector issues.
• After installation, check related fuses and perform a full function test of body systems. If intermittent faults or persistent error codes occur, professional diagnostic equipment is recommended.

Most Common Failure Causes

• Water Ingress And Corrosion: Moisture penetration into connectors or the housing leads to short circuits and degraded contacts.
• Electrical Surges And Poor Earthing: Voltage spikes or weak ground connections can damage internal electronics or relays.
• Thermal Cycling And Ageing: Repeated heating and cooling stresses solder joints and electronic components over time.
• Mechanical Damage: Impact or vibration can break mounting tabs or damage connectors (the unit may show a cracked mounting bracket that does not affect function).
• Connector Problems: Loose or corroded pins create intermittent faults that are often mistaken for module failure.

This BSM R02 Delphi unit is a practical replacement option for professionals and experienced DIYers. It provides a cost-effective way to restore body electrical functions when matched to the correct product codes and fitted according to recommended procedures.