Checking the wiring and component
- Ignition off.
Check the communication cable between gear selector control module terminal #2 and transmission control module (TCM) terminal #B31 (#B21) for an open-circuit according to Open-circuit, permanent faults .
Replace the circuit board in the top panel if no fault is found in the cable.
Remedy as necessary.
Other information:
- To connect the breakout box, see Connecting the breakout box
- To replace the circuit board in the top panel (standard, S60), see Printed circuit board gear selector assembly/top panel, replacing
- To replace the circuit board in the top panel (geartronic, S60), see Printed circuit board gear selector assembly/top panel, replacing
- For information about signals, see Signal description. Transmission control module (TCM) .
Was a fault detected?
- YES
Refer to Verification
- NO
FAULT NOT FOUND: Troubleshooting has been completed.