Aftertreatment SCR Performance Test: Inspection

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

Use CONSULT to check for fault codes. If any P-codes are present, follow the corresponding troubleshooting tree before performing any part of this procedure.
The fault code troubleshooting tree, in some cases, will refer back to this procedure to complete the diagnostics.