Volvo All Engines (2010 Emissions) Fault Code: SPN 1072 FMI 4 PID: Engine (Compression) Brake Output #1

Conditions for diagnostic trouble code (DTC):
1) Voltage below normal or shorted low

Diagnostic operating conditions
1) Ignition key in ON position

Observable symptoms
1) The solenoid valve and the brake are activated
2) Engine Shut Down
3) Engine does not start

Probable cause
1) Connector
2) Wiring harness
3) Short circuit to ground on Solenoid valve, compression brake
4) Engine control module (ECM)