Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used Computers & Cruise Controls Computers & Cruise Controls
Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used Computers & Cruise Controls Computers & Cruise Controls
Volvo
Volvo
Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used
Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 2
Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 3
Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 4
Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 5
Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear UsedVolvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 2Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 3Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 4Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22149717 21546871 24V Rear Used view 5
SKU:389238960955
Features
Condition
Used
Warranty Period
3 months
Manufacturer Part Number
21855931 (P03), 22149717, 21546871
Grade
B (moderate wear), good condition
Reference OE/OEM Number
21855931, 21855934, 21855936
All features
Item Condition - Used OEM RCIOM Hi control unit (P03), part no. 21855931. Visually graded B: moderate cosmetic wear from use and storage, connectors intact, no broken tabs seen. Removed from a working Euro 6 truck; basic cleaning done. Programming/coding may be required after installation. Packed securely for shipment.
All description
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£474.05£499
Not available for order
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Overview
Description: 
OEM Rear Chassis I/O Module (RCIOM Hi) for Volvo FH4/FM4 Euro 6 and related Renault T/C/K Euro 6 platforms. Function: rear chassis I/O, lighting and auxiliary outputs over CAN. Variant P03, 24 V, 4 multi-pin connectors. Cross-refs seen in catalogues and listings: 22149717, 21546871; related versions 21855934/21855936. Check your VIN/PN before purchase. Professional installation recommended; coding may be needed to pair with the vehicle.

Shipping & Returns: 
We ship across UK/EU with tracked services. Returns accepted within 30 days; buyer pays return postage. Please inspect upon arrival and message us with any concerns.

Why Buy From Us: 
Genuine part, 3-month warranty, fast dispatch, secure packaging.
Features
Condition
Used
Warranty Period
3 months
Manufacturer Part Number
21855931 (P03), 22149717, 21546871
Grade
B (moderate wear), good condition
Reference OE/OEM Number
21855931, 21855934, 21855936
Brand
VOLVO
Type
RCIOM Hi control unit (ECU)
Intended Use
Replacement Part
Country of Origin
Germany
Location
Stanford le Hope
Voltage
24V
Material
Aluminium housing, plastic cover
Placement on Vehicle
Rear chassis
Model Compatibility
Volvo FH4/FM4 Euro 6; Renault T/C/K Euro 6
Colour
Black/Silver
Features
Rear I/O module, CAN, 4 connectors, Euro 6
Connector
4× multi-pin sockets
Reviews (1)
5.0 / 5
5 stars
1
4 stars
0
3 stars
0
2 stars
0
1 star
0
Reviews1 review
h
hirstbrotherscontractors
January 27, 2026 07:22
Title
eBay Positive: Volvo FH/FM RCIOM Hi Control Unit 21855931 P03 22
Comment
Order delivered on time with no issues