Intermittent fault

Check wiring between control module #A57 and #A39 and vehicle speed sensor (VSS) for an intermittent open-circuit according to Open-circuit, intermittent faults , an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults and an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

Remedy as necessary.

Other information: 

• To connect the breakout box, see Connecting breakout box, Transmission control module (TCM) .
• To check/replace speed sensor, see Replacing vehicle speed sensor (VSS) .
• For information about signals, see Signal specification, Transmission control module (TCM) .

Fig 1: Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Select Continue when the fault has been remedied. 

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