VOLVOUU All Engines (2017 Emissions) Fault Code: P203711 PID: ACM Reductant Injection Air Pressure Sensor “A”
Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A174.A:47 is less than 0.15 V
Diagnostic operating conditions
1) Ignition key in ON position
Observable symptoms
1) Uncontrolled air consumption
Probable cause
1) Short circuit to ground
2) Connector
3) Wiring harness
4) Aftertreatment Control Module (ACM)
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