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Home >> Volvo >> 2008 >> XC70 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Closing Velocity Module (CVM) And Forward Sensing Module (FSM) Diagnostic Trouble Codes And Associated Procedures >> CVM-U300066: Control Module. Algorithm Based Failures. Signal Has Too Many Transitions / Events (2012) >> Diagnostic Trouble Code (DTC) Information CVM-U300066
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Diagnostic Trouble Code (DTC) Information CVM-U300066

Condition 

The Closing velocity module checks the entire system including control modules that are related to the function.

The diagnostic trouble code (DTC) is stored if the control module detects that:

The control module's test for the diagnostic trouble code (DTC) starts when:

NOTE:

The control module can only detect the fault once the test has been started and the diagnostic trouble code is stored when the conditions are met.

Fig 1: Identifying Closing Velocity Module (CVM)
GLL166214Courtesy of VOLVO CARS CORPORATION

Substitute Value 

Possible Source 

Fault symptom[s]