Scania fault code 921

Code 921 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

VDT Internal fault Invalid configuration. Read explanation → COO Coordinator Adjustable instrument panel The PWM output of the control unit has an open circuit or is short-circuited to voltage, or the voltage on the control unit PWM output is implausibly low. Read explanation → MBS #Not implemented. Short cicuit on Condenser fan, secondary roof unit Short circuit has been detected Read explanation →