Home >> Volvo >> 2009 >> S60 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 >> Repair and Diagnosis >> Transmission and Drivetrain >> Relays and Modules - Transmission and Drivetrain >> Relays and Modules - Differential >> Control Unit >> Diagrams >> Diagram Information and Instructions >> Diagram Legend >> 54/1B Connector