Sa-16-dtc-p004607 Apr 2026

: The engine will likely lose significant power as the ECU limits torque to protect the engine.

: Use a diagnostic tool like Volvo Premium Tech Tool to run a "VGT Function Test." This will attempt to move the actuator through its full range of motion to see if it binds. sa-16-dtc-p004607

: Refers to Source Address 16 , which identifies the Engine Electronic Control Unit (ECU) as the source of the fault. : The engine will likely lose significant power

The code is a specific diagnostic fault typically found in Volvo and Mack trucks (specifically those with D11, D13, or MP8 engines) indicating a Variable Geometry Turbocharger (VGT) mechanical fault . Code Breakdown The code is a specific diagnostic fault typically

: In some cases, this code is triggered because coolant or water has leaked into the electrical side of the turbo actuator, often signaled by a blown fuse (FE8 or FE9). Recommended Troubleshooting Steps