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21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1669 (3 Wire) PID: PID 203D SPN: 1761 FMI: 3 Aftertreatment Diesel Exhaust Fluid Tank Level Sensor Circuit- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid tank level sensor is used to monitor the aftertreatment diesel exhaust fluid level inside...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1669 (Multiplexed) PID: SPN: 1761 FMI: 3 Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor Circuit- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid tank level sensor is used to monitor the aftertreatment diesel exhaust fluid level inside...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1673 PID: SPN: 1761 FMI: 1 Aftertreatment 1 Diesel Exhaust Fluid Tank Level- Data Valid But Below Normal Operating Range- Most Severe Level

Circuit DescriptionThe aftertreatment diesel exhaust fluid level sensor is used to monitor the diesel exhaust fluid level inside the diesel...

21 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1677 (HW) PID: SPN: 3031 FMI: 4 Aftertreatment 1 Diesel Exhaust Fluid tank Temperature Sensor- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid tank temperature sensor is used to monitor the temperature of the aftertreatment diesel exhaust...

21 August, 2025

0 comments

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1677 (Multiplexed) PID: SPN: 3031 FMI: 4 Aftertreatment 1 Diesel Exhaust Fluid tank Temperature Sensor- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid tank temperature sensor is used to monitor the temperature of the aftertreatment diesel exhaust...

21 August, 2025

0 comments

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 1678 (HW) 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...

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