Diagnostic Test
- 1) CHECK IF THE DTC IS ACTIVE
Ignition on, engine not running.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Go to 2).
No
- Go to 4).
- 2) (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT SHORTED TO POWER
Turn the ignition off
Disconnect the TIPM C10 harness connector.
Disconnect the PCM C4 harness connector.
Measure the voltage between the (T16) Transmission Control Output circuit at the at the TIPM C10 harness connector and ground.
Is the voltage above 10.0 v?
Yes
- Repair the (T16) Transmission Control Output circuit for a short to power.
- Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1 .
No
- Go to 3).
- 3) TOTALLY INTEGRATED POWER MODULE NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors.
Pay particular attention to all Power and voltage circuits.
Were any problems found?
Yes
- Repair as necessary.
- Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1 .
No
- Replace the Totally Integrated Power Module per Service Information.
- Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1 .
- 4) INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
- Repair as necessary.
- Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1 .
No
- Test complete.