Diagnostic trouble code (DTC) status, ECM-2000 Engine coolant temperature (ECT) sensor. Signal too low

Reading off diagnostic trouble code (DTC) status ECM-2000 

• Read off the diagnostic trouble code (DTC) status. Check the status of the relevant diagnostic trouble code (DTC).

Fig 1: Identifying VCT2000

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the status of the relevant diagnostic trouble code (DTC) permanent? 

• YES 

  Refer to Checking the wiring and component 

• NO 

  Refer to Signal too low. Intermittent fault