Reading Off Diagnostic Trouble Codes (DTCS)

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Ignition off
• Wait two minutes to allow time for the diagnostic trouble codes (DTCs) to be stored in the memory for the transmission control module (TCM)
• Ignition on
• Read off the diagnostic trouble codes (DTCs) using the VCT2000 (or appropriate scan tool).
  Fig 2: Identifying VCT2000

  Courtesy of VOLVO CARS CORPORATION
  Fig 3: Identifying Control Module/Gear-Shift Position Sensor

  Courtesy of VOLVO CARS CORPORATION

Is diagnostic trouble code (DTC) TCM-0049 still stored? 

• YES 

  Refer to REPLACING CONTROL MODULE AND PROGRAMMING 

• NO 

  OKAY:  Troubleshooting has been completed.