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Volvo Engine D11L (Tier 4) Fault Code: P208A86 PID: PSID 121 FMI: 12 Reductant Pump “A” Control – Signal Invalid
Volvo Engine D11L (Tier 4) Fault Code: P208A86 PID: PSID 121 FMI: 12 Reductant Pump “A” Control – Signal Invalid
CONTROL UNIT:
Engine ECU
FAILURE EVENT:
Malfunctioning of the DEF pump unit detected from ACM. The SCR system is not able to dose DEF.
SYMPTOM:
1. SCR system does not work properly
2. Low power because of engine derate.
CONDITIONS:
None
INHIBITING THE DTC:
None
POSSIBLE CAUSES:
1. Damaged wire harness or connector
2. Defective DEF pump unit pressure sensor.
3. Defective DEF pump.
4. Frozen DEF (heating doesn’t work).
5. Clogged DEF tank breather.
6. Leakage in DEF suction hose.
7. Low DEF tank level.
8. Clogged filter in DEF pump unit.
9. Clogged DEF hose.
10. Clogged DEF tank strainer.
Volvo Engine D11L (Tier 4) Fault Code: P207F9A PID: PPID 351 FMI: 1 Reductant Quality – Component or System Operating Conditions
Volvo Engine D11L (Tier 4) Fault Code: P205A86 PID: PPID 274 FMI: 12 Reductant Tank Temperature Sensor – Signal Invalid
Volvo Engine D11L (Tier 4) Fault Code: P22FE00 PID: PPID 270 FMI: 12 NOx Sensor Performance – Sensing Element Bank 1 Sensor 2 – No Sub Type Information
Volvo Engine D11L (Tier 4) Fault Code: P20EE00 PID: PSID 106 FMI: 12 SCR NOx Catalyst Efficiency Below Threshold (Bank 1) – No Sub Type Information
Volvo Engine D11L (Tier 4) Fault Code: P06E617 PID: PSID 113 FMI: 3 Sensor Power Supply “C” – Circuit Voltage Above Threshold
Volvo Engine D11L (Tier 4) Fault Code: P02E699 PID: 51 FMI: 7 Diesel Intake Air Flow Position Sensor – Exceeded Learning Limit