VOLVOUU All Engines (2013 Emissions) Fault Code: P203701 PID: ACM Reductant Injection Air Pressure Sensor “A”
Conditions for diagnostic trouble code (DTC)
General Electrical Failure
Diagnostic operating conditions
Ignition key in ON position
Probable cause
1) Aftertreatment system Wiring harness
2) Reductant Injection Air Pressure Sensor “A”
3) Aftertreatment Control Module
We’ll never share your email address with a third-party