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

Conditions for diagnostic trouble code (DTC):
1) The oil temperature is below 55??C (131??F)
2) Compression brake activated

Observable symptoms
1) Auxiliary brakes, poor performance

Probable cause
1) Engine oil temperature (EOT) too low

Detailed information
1) Deactivation
2) The diagnostic trouble code (DTC) is erased immediately when the fault becomes inactive