Scania fault code 1090

Code 1090 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

VDT Internal fault Invalid configuration. Read explanation → MBS Position sensor valve, primary roof unit, implausible value The position sensor for the valve, primary roof unit, indicates an implausible value. The value is outside the valid range 10-6,000 ohm. Read explanation →