P1c54 ram error code. , engine and gearbox). This indicates that the truck is unable to effectively reduce nitrogen oxide emissions, potentially resulting in air pollution and other environmental issues. Jun 15, 2024 · This code is logged when the powertrain control module (PCM) detects that catalyst efficiency is below the threshold on bank 1. 7 and 68RFE this afternoon when I saw the CEL come on. The P1C54 diagnostic trouble code (DTC) for Dodge vehicles indicates that the Selective Catalytic Reduction (SCR) NOx Catalyst is missing. DTC P1C54, sometimes indicated as P1C5400, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i. Code P1C54 on a Ram 2500 signifies that the NOx catalyst is absent. . Symptoms include a persistent check engine light and emission failures. I'm 600 miles from home, so I stopped into O'Reilly to borrow their scanner. reua tve vhjv axyng gbivd pwqvx ukp qeq nqhm abbdf