Affected Component: FUEL SYSTEM, DIESEL

Date Published
APR 02, 2021
NHTSA TSB #
10221186
TSB Document
Summary
P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set.