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Intermittent fault

Fig 1: Identifying Ignition Off Position

GLL101045

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Check the transmission control module (TCM) and transmission speed sensor connectors for contact resistance and oxidation according to Contact resistance and oxidation .

Check the power supply cable between transmission control module (TCM) #A59 (#A59) and transmission connector A #16 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Check the signal cable between transmission control module (TCM) #A41 (#A41) and transmission connector A #17 for an intermittent 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 Replacing the gearbox control module (TCM) .
- To disconnect the transmission connector, see Connectors, transmission, disconnecting/connecting .
- For information about signals, see Signal description. Transmission control module (TCM) .
Fig 2: Breakout Box
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Transmission Connector Terminal 16 & 17
Courtesy of VOLVO CARS OF NORTH AMERICA.

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