Intermittent fault

Check the communication cable between gear selector control module terminal #2 and transmission control module (TCM) terminal #B31 (#B21). Check for an intermittent short-circuit to ground. See Short-circuit to ground, intermittent faults . Check for contact resistance and oxidation. See Contact resistance and oxidation .

Remedy as necessary.

Other information: 

• To connect the breakout box, see Connecting the breakout box
• For other values, see Signal description. Transmission control module (TCM) .

Fig 1: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

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