Fitment

FCA diesel vehicles with SCR AdBlue Euro 5 Euro 6 emission system including

• Jeep Renegade 1.6 / 2.0 Multijet diesel
• Jeep Compass 1.6 / 2.0 Multijet diesel
• Fiat 500X 1.3 / 1.6 Multijet diesel
• Fiat Ducato 2.3 Multijet diesel (selected SCR versions)
• Alfa Romeo Tonale diesel (selected SCR applications)
• Selected FCA group diesel SCR platforms

OE reference
55282709
SNS0768A
A3C00684300-01
46344798 (cross reference)

FAQ

What is this NOx sensor used for

It measures nitrogen oxide levels in diesel exhaust and sends data to ECU for SCR AdBlue emission control system

Is this inlet or outlet sensor

It is used in SCR system and can function as inlet or outlet depending on vehicle configuration

Are all 55282709 sensors interchangeable

No FCA NOx sensors are ECU coded and must match exact OE number and calibration version

What system does it work with

SCR Selective Catalytic Reduction system using AdBlue injection for Euro 5 and Euro 6 diesel emission compliance

What are common failure symptoms

Engine warning light SCR AdBlue fault reduced power limp mode NOx sensor communication error emission efficiency faults