Checking The Diagnostic Trouble Codes (DTCS)

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Connector(s) Reinstallation

Courtesy of VOLVO CARS CORPORATION

• Turn the ignition key to position II.

  Click on the VCT2000 symbol.

  Check if any of the following diagnostic trouble codes have been generated in the vehicle.

  Remedy as necessary.

  • CEM-DE11.
  • CEM-E000.
  • CEM-E001.
  • CEM-6C54.
  • ECM, Communication with Central Electronic Module (CEM).
  • ECM, Communication with Brake Control Module (BCM).

  Other diagnostic trouble codes (DTCs) that may be stored in the control modules in the vehicle are not relevant for the symptom.

  If none of the above diagnostic trouble codes are detected, proceed with general troubleshooting of the CAN-net.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)

  Courtesy of VOLVO CARS CORPORATION

Before performing check of the starting system:Ensure that there are no DTCs in the Central electronic module (CEM), Transmission control module (TCM), Engine control module (ECM) or Brake control module (BCM) that could cause these symptoms. DTCs that affect LIN communication must be fault-traced before this check is continued.

Remedy these diagnostic trouble codes (DTCs) first.

• Continue 

  Refer to CHECKING THE STEERING COLUMN LOCK MODULE (SCL) 

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Ignition switch position II.

  Click the VCT2000 symbol to read diagnostic trouble codes (DTCs).

  Check if diagnostic trouble code CEM-1A41 is detected.

  NOTE:

  DTC CEM-1A41 may be set if the driver holds the key position between position II and III for longer than 0.5 second.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)

  Courtesy of VOLVO CARS CORPORATION

Are there relevant diagnostic trouble codes (DTCs)? 

• YES 

  Refer to REPLACING THE START CONTROL UNIT (SCU) 

• NO 

  Refer to CHECKING THE STARTER MOTOR CIRCUIT 

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Ignition switch position II.
• Click the VCT2000 symbol to read diagnostic trouble codes (DTCs).

  Check if diagnostic trouble code CEM-1A41 is detected.

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)

Courtesy of VOLVO CARS CORPORATION

Are there relevant diagnostic trouble codes (DTCs)? 

• YES 

  Refer to REPLACING THE START CONTROL UNIT (SCU) 

• NO 

  Refer to FAULT-TRACING INFORMATION