Intermittent fault

Check wiring between control module #A41 and #A59 and speed sensor 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 , an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults and contact resistance and oxidation according to Contact resistance and oxidation .

Remedy as necessary.

Other information: 

• To connect the breakout box, see Connecting breakout box, Transmission control module (TCM) .
• To disconnect transmission connector, see Inspecting/cable harness to solenoids .
• To check/replace speed (RPM) sensor, see Replacing transmission speed sensor .
• 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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