P1555
P1555 OBD Code Definition:
P1555 Electronic Variable Orifice Output
P1555 OBD Code Description:
Possible Symptoms
Reduced power output
Limp mode
Possible Causes
Boost Pressure too High
Hoses/Pipes incorrect connected, disconnected, blocked or leaking
Charger Pressure Control defective
VNT (variable nozzle turbo): nozzles stuck
Solenoid Valve for Boost Pressure Control defective
Possible Solutions
Check Hoses/Pipes to/between Components
Check Solenoid Valve for Boost Pressure Control
Check / Clean / Replace Charge Pressure Control
Check / Clean mechanism for variable nozzles