Fitment (Market-Validated Usage)

Based on OEM cross-reference catalogs, Continental/VDO SNS918 documentation, and aftermarket supplier listings, this NOx sensor is used in Renault–Nissan diesel SCR (AdBlue) systems on Euro 6 passenger car and light SUV platforms.

Common system applications include:

• Nissan Qashqai II (J11) 1.5 dCi / 1.6 dCi diesel SCR systems
• Nissan X-Trail T32 1.6 dCi (selected Euro 6 variants)
• Nissan Pulsar 1.5 dCi (market-dependent applications)
• Renault Kadjar 1.5 / 1.6 dCi
• Renault Mégane IV 1.5 / 1.6 Blue dCi
• Renault Scénic IV 1.5 / 1.7 Blue dCi
• Renault–Nissan shared Euro 6 diesel SCR platforms

Fitment is strictly based on OE number matching:
227906850R / SNS918 / A2C16634900-03

OE cross-reference data confirms this is a Continental/VDO SNS918 NOx sensor used across Renault–Nissan SCR architectures.

Aftermarket listings consistently map this OE number to Megane IV / Kadjar / Qashqai diesel SCR systems using the SNS918 module family.

Technical Description

This NOx sensor measures nitrogen oxide (NOx) concentration in diesel exhaust gases and transmits real-time data to the ECU.

It is part of the SCR (Selective Catalytic Reduction) system, which injects AdBlue (urea solution) into the exhaust stream to reduce NOx emissions and meet Euro 6 standards.

The sensor is an integrated electronic module designed for high-temperature exhaust environments with continuous monitoring and ECU communication.

Symptoms / Fault Codes

• Check engine light
• SCR / AdBlue system warning
• NOx sensor communication or signal faults
• P2200 / P229F type codes (system dependent)
• Reduced engine power (limp mode)
• Increased emissions

OE / Part Numbers

• 227906850R
• SNS918
• A2C16634900-03
• Continental / VDO SNS918 sensor family

FAQ

Is this sensor vehicle-specific?

Yes. NOx sensors must match the exact OE number. Even small suffix differences (850R / 461R / 342R variants) can change calibration, connector type, or ECU compatibility.

Why are Nissan and Renault both listed?

Because Renault–Nissan shares the same Euro 6 diesel SCR platform across multiple vehicles, so the same NOx sensor is used across both brands.

Can similar OE numbers be used instead?

Not recommended. NOx sensors are ECU-calibrated emission components and must match exact OE specification to avoid SCR faults or limp mode.