Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1678 (Multiplexed) PID: SPN: 3031 FMI: 3 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Sensor- Voltage Above Normal or Shorted to High Source
Circuit DescriptionThe aftertreatment diesel exhaust fluid tank temperature sensor is used to monitor the temperature of the aftertreatment diesel exhaust...