Volvo All Engines (2010 Emissions) Fault Code: SPN 1074 FMI 4 PID: Engine (Exhaust) Brake Output

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