Volvo All Engines (2010 Emissions) Fault Code: SPN 3522 FMI 18 PID: PSID 91 Aftertreatment Total Fuel Used - Moderately Severe level

This DTC indicates that the amount of consumed DEF calculated by the ECM does not correspond to the level change in the DEF tank.

Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A137:51 is more than 5.5?V

Observable symptoms
1) None

Probable cause
1) Wiring harness
2) Connector
3) A137: Aftertreatment Control Module (ACM)

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