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: P205A86 PID: PPID 274 FMI: 12 Reductant Tank Temperature Sensor – Signal Invalid

CONTROL UNIT:
Engine ECU

FAILURE EVENT:
Malfunctioning of the DEF tank temperature sensor detected from ACM. Sensor not working.

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 or tampered DEF temperature sensor.
2. Damaged wire harness or connector.
3. Internal error in the DEF tank armature.