Diagnostic trouble code (DTC) information

Condition 

Fig 1: Identifying Transmission Control Module (TCM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) TCM-0099 is stored if the transmission control module (TCM) registers that the storage of data to the control module EEPROM memory is not correctly completed.

Substitute Value 

• None.

Possible Source 

• Faulty software in the control module
• Defective EEPROM memory.

Fault symptom[s] 

• None.