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Home >> Volvo >> 2003 >> S80 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 9 Of 11 >> ECM-700C: Engine Control Module (ECM), Internal Fault. Signal Too High (B5254T2; B6294S2; B6294T; 2005-2006) >> Diagnostic trouble code (DTC) information

Diagnostic trouble code (DTC) information

Condition 

Fig 1: Identifying Engine Control Module
GLL103038Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a fault in the circuit for the internal temperature sensor in the control module. The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

Possible Source 

Fault symptom[s]