VOLVOUU All Engines (2013 Emissions) Fault Code: P047700 PID: EMS Exhaust Pressure Control Valve “A”

VOLVOUU All Engines (2013 Emissions) Fault Code: P047700 PID: EMS Exhaust Pressure Control Valve “A”

Conditions for diagnostic trouble code (DTC):
1) Short circuit to ground on A14.EB:38

Diagnostic operating conditions
1) Ignition key in ON position

Observable symptoms
1) Exhaust pressure governor constantly activated
2) The engine brake does not function
3) Low Power
4) Black smoke

Probable cause
1) Control wire
2) Short circuit in control valve