Source-backed diagnostic reference
P0041 EV diagnostic code
O2 Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2
Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.
Reference definitions
Search and canonical URL
Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.