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Ram TSB #18-090-15
2012 Ram 4500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- P20EE SCR NOX Catalyst Efficiency Below Threshold Bank 1 This bulletin involves verifying the proper operation of the Diesel Exhaust Fluid (DEF) system and, if necessary, replacing the Selective Catalyst Reduction (SCR) Catalyst assembly. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find Diagnostic Trouble Code (DTC) P20EE SCR NOX Catalyst Efficiency Below Threshold Bank 1 set in the Powertrain Control Module (PCM) memory.
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