2016 Mercedes-Benz Sprinter 3500
Mileage
60,559
Service Date
7/14/2026
Services Performed
- Tech inspected and hooked up scanner and pulled codes. Cleared codes and test drove vehicle. 3 codes came back diagnose codes. ran DEF pump pressure test and system leak test. system only able to build to 14 PSI. spec is 85-110psi. tested powers and grounds to pump. pump has 12 volts. did find signs of rodent damage on wires to pump. repaired and retested. still pump just clicks and will only build to 14 psi. recommend replacing DEF tank and module Assembly Codes P15B700 one or more signals from the N141 Ad blue controller Implausible P18B400 one or more signals from the N118/5 Ad blue controller Implausible P16CF00 Def System has not been tested Frequency conter for tampering attempts P13DF-00 Def system Malfunction P20E8-23 The pressure in def too low No signal change voltage level is too low.
- REDUCTANT MODULE – Remove & Replace
- LOF
Andrew P. gave our service a 5 star review on 7/14/2026
