Checking the cables in the circuit for solenoid STH
- Ignition off
- Disconnect the transmission connector
- Disconnect the control module.
- Connect the breakout box to the transmission
- Connect adapter
9511505
and breakout box
9813190
to the transmission connector (control module side).
Check the cable between control module terminal #52 (#A52) and transmission connector terminal #C (#A3). Check for a short-circuit to supply voltage. See Short-circuit to supply voltage. Permanent faults .
Check the cable between control module terminal #A70 (#B10) and transmission connector terminal #D (#A4). Check for a short-circuit to supply voltage. See Short-circuit to supply voltage. Permanent faults .
Also check the wiring between the control module and the transmission. Check for a short-circuit to supply voltage with the other cables in the wiring harness.
Other information:
- To connect the breakout box to the control module, see Connecting the breakout box
- To connect the breakout box to the transmission connector, see Connecting the breakout box, GM automatic transmissions
- For information about signals, see Signal specification .
Was the wiring OK?
- YES
Refer to Checking the wiring and component
- NO
Refer to Checking the control module