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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Diagnostic Trouble Codes - 2 Of 5 >> TCM-002F: Lock-Up Function. Slipping Or Not Engaged (Aw50/51 AWD; 2004-2006) >> Slipping or not engaged >> Checking the cooling system

Checking the cooling system

Ensure that the leak is the cause of the coolant coming in contact with the transmission oil by checking the quality of the oil.

If the quality of the transmission fluid had deteriorated due to leakage from the cooling system, replace the transmission, radiator, hoses and expansion tank as below.

Other information: 

Fig 1: Identifying Transmission
GLL109123Courtesy of VOLVO CARS OF NORTH AMERICA.