Ram TSB #18-034-21 REV. A
2020 Ram 4500
TSB Document:
Affected Component: BACK OVER PREVENTION
- 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.
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