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Home >> Volvo >> 1998 >> C70 2D Convertible, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Diagnostic Trouble Code (DTC) Diagnostics - 3 Of 3 (Convertible) >> TCM-121: Control Module. Internal Fault (Aw55-50/51SN; 2001-2004) >> Internal fault >> Verification >> Verification

Internal fault: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition Switch ON Position
GLL101051Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Connectors
GLL101069Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the current oscillate?