Fitment

FCA diesel vehicles with SCR AdBlue Euro 6 emission system including

• Jeep Compass 1.6 / 2.0 Multijet diesel (2017–2021)
• Jeep Renegade 1.6 / 2.0 Multijet diesel
• Fiat 500X 1.6 Multijet diesel
• Fiat Tipo 1.6 Multijet diesel (selected SCR versions)
• Fiat Ducato 2.3 Multijet diesel Euro 6 SCR (selected applications)
• Selected FCA platform diesel SCR vehicles

OE reference
68366427AA
SNS0931A
A3C00687600-02
68468186AA (replacement update reference)

FAQ

What is this NOx sensor used for

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

Is this inlet or outlet sensor

It is typically used as SCR NOx sensor and may function as inlet or outlet depending on exhaust system configuration

Are all 68366427AA 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 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