Checking diagnostic trouble codes (DTCs) in the engine control module (ECM)

HINT: Diagnostic trouble codes (DTC) DSA-224 are stored if any of the following diagnostic trouble codes (DTCs) are permanently stored in the engine control module (ECM) and if the fault is permanent: EFI-115, EFI-121, EFI-125, EFI-135, EFI-137, EFI-145, EFI-337, EFI-411, EFI-525 or EFI-526. 

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Start the engine and let it idle.

  Read off diagnostic trouble codes (DTCs) from the engine control module (ECM)  .

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Have any of the above diagnostic trouble codes (DTCs) been stored? 

• YES 

  Refer to Checking diagnostic trouble codes (DTCs) in the engine control module (ECM) 

• NO 

  Refer to Checking wiring and terminals 

HINT: All diagnostic trouble codes (DTCs) in EMS 2000 must be remedied before diagnostic trouble code (DTC) DSA-224 can be remedied. 

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Start the engine and let it idle.

  Read off diagnostic trouble codes (DTCs) from the engine control module (ECM)  .

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Have any diagnostic trouble codes (DTCs) for EMS 2000 been stored? 

• YES 

  Refer to Checking diagnostic trouble codes (DTCs) in the engine control module (ECM) 

• NO 

  Refer to Checking wiring and terminals 

Fault-trace according to the relevant system.