Checking the wiring
- Ignition off
- Disconnect the transmission connector
- Connect adapter
9511505
and breakout box
9813190
to the transmission connector (control module side).
Check the cable between control module terminal #A68 (#B8) and transmission connector terminal #B (#A2) (control module side). Check for a short-circuit to supply voltage.
Check the cable between control module terminal #53 (#A53) and transmission connector terminal #E (#A5) (control module side). Check for a short-circuit to supply voltage.
HINT: Also check all the other power supply cables in the circuit.
Remedy as necessary.
Other information:
- To connect the breakout box, 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
- See Checking wiring and terminals
Was a fault detected?
- YES
Refer to Verification
- NO
Refer to Checking the control module