VOLVOUU All Engines (2017 Emissions) Fault Code: P203712 PID: ACM Reductant Injection Air Pressure Sensor “A”
Conditions for diagnostic trouble code (DTC)
The voltage at pin A174.A:47 is above normal value
Diagnostic operating conditions
Ignition key in ON position
Observable symptoms
Uncontrolled air consumption
Probable cause
1) Short circuit to voltage supply
2) Aftertreatment Control Module (ACM)
3) Connector
4) Wiring harness
We’ll never share your email address with a third-party