Intermittent fault

Fig 1: Identifying Ignition Off Position

GLL101045

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Check the power supply cable between transmission control module (TCM) terminal 57A and vehicle speed sensor (VSS) connector terminal 1 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Check the signal cable between transmission control module (TCM) terminal 39A and vehicle speed sensor (VSS) connector terminal 2 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting breakout box, Transmission control module (TCM) .
- To disconnect the transmission control module (TCM), see Replacing the gearbox control module (TCM) .
- For information about signals, see Signal specification, Transmission control module (TCM) .
Fig 2: Identifying Vehicle Speed Sensor
Courtesy of VOLVO CARS OF NORTH AMERICA.

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

Fig 4: Identifying Automatic Transmission Control Module (TCM)
Courtesy of VOLVO CARS OF NORTH AMERICA.

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