Volvo All Engines (2013 Emissions) Fault Code: P20A611 PID: ACM Reductant Injection Air Pressure Control Valve Control

Conditions for diagnostic trouble code (DTC)
The voltage at pin A174.A:21 is below normal value

Diagnostic operating conditions
Ignition key in ON position

Observable symptoms
Uncontrolled air consumption

Probable cause
1) Short circuit to ground
2) Connector
3) Wiring harness
4) Reductant Injection Air Pressure Control Valve Control
5) Aftertreatment Control Module (ACM)

Volvo All Engines (2013 Emissions) Fault Code: P20A500 PID: ACM Reductant Purge Control Valve Stuck Closed

Volvo All Engines (2013 Emissions) Fault Code: P20A400 PID: ACM Reductant Purge Control Valve Stuck Open

Volvo All Engines (2013 Emissions) Fault Code: P20A300 PID: ACM Aftertreatment Reagent Direction Valve Short Circuit High

Volvo All Engines (2013 Emissions) Fault Code: P20A200 PID: ACM Aftertreatment Reagent Direction Valve Short Circuit Low

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