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Volvo engine code DTC P0046
VGT Position Actuator: Electrical Check The VGTactuator is a Smart Remote Actuator and it has both a rationality check and an electrical monitor. The rationality monitor covers detection of mechanical faults of the actuator, a bad device and a missing signal from the actuator. The electrical check monitors the VGTsupply voltage. Internal Error (Bad Device): No valid actuator command transmitted for longer than a calibrated period of time. CAN Communication (Missing Signal): No CAN command received for longer than a calibrated period of time; Corresponding with SAE J1939 Datalink #3 (Engine Subnet) (U010C). Mechanical Fault: Detects actuator mechanical faults. P0046 VGT Position Actuator: VGT Mechanical Fault DTC P0046 Component / System Actuator Rationality Monitor Strategy Description VGT Mechanical Fault Fault Limit Malfunction determined by vendor supplied VGT Smart Remote Actuator Enable Conditions • Key On Active • Battery Voltage > 8 V Disable Conditions No Active DTC's: • N/A Time Required For DTC To Be Set 5 seconds MIL Illumination 2 Drive Cycles