Intermittent fault

Check the transmission connector. Check for contact resistance and oxidation. See Contact resistance and oxidation .

Check the power supply cable between transmission control module (TCM) terminal #A59 (#A59) and transmission connector terminal #A2. Check for an intermittent open-circuit according to Open-circuit, intermittent faults .

Check the signal cable between transmission control module (TCM) terminal #A41 (#A41) and transmission connector terminal #A1. Check for an open-circuit according to Open-circuit, intermittent faults .

Remedy as necessary.

Other information: 

• To connect the breakout box, see Connecting the breakout box
• To disconnect the transmission control module (TCM), see Transmission control module (TCM), replacing
• To disconnect the transmission connectors, see Connectors, transmission, disconnecting / connecting
• For information about signals, see Signal description. Transmission control module (TCM) .

Fig 2: Identifying Transmission Output Speed Sensor Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohms Display

Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to Information