Diagnostic trouble code (DTC) information

Condition 

Fig 1: Identifying Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) TCM-0049 is stored if the control module detects a fault in the control module EEPROM memory.

Substitute Value 

• None.

Possible Source 

• Faulty software in the control module
• Internal fault in the control module.

Fault symptom[s] 

• Warning lamp for the automatic transmission flashes
• Malfunction indicator lamp (MIL) lit.