Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read TCM DTCs and record on the repair order.
2. Record the Environmental Data and any DTCs.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read TCM DTCs.
  Did the DTC return?
  
  Yes
  - Visually and physically inspect the Paddle Shift Switches for any debris or foreign material that may contribute to a sticking or stuck switch. If no problem is found, Go To 2
  No
  - Go To 5
CHECK THE PADDLE SHIFT SWITCHES
1. Turn the ignition switch on.
2. Record the Upshift (+) And Downshift (-) switch states shown on the scan tool.
3. Turn the ignition off.
4. Disconnect the paddle switches.
5. Turn the ignition on.
6. Did the Upshift (+) or Downshift (-) switch change state in the diagnostic scan tool.
  Does the switch change state?
  
  Yes
  - Replace the Paddle Switch.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Go To 3
CHECK THE (T830) TAP SHIFT SIGNAL CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the TCM harness connector.
3. Disconnect the Paddle Switch connector.
4. Measure the resistance between ground and the (T830) TAP Shift Signal circuit.
  Is there continuity between ground and the (T830) TAP Shift Signal circuit?
  
  Yes
  - Repair the (T830) TAP Shift Signal circuit for a short to ground.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Go To 4
CHECK THE (T831) TAP SHIFT RETURN CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the TCM harness connector.
3. Disconnect the Paddle Switch connector.
4. Measure the resistance between ground and the (T831) TAP Shift Return circuit.
  Is there continuity between ground and the (T831) TAP Shift Return circuit?
  
  Yes
  - Repair the (T831) TAP Shift Return circuit for a short to ground.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Replace the TCM in accordance with the Service Information.
    Refer to MODULE, TRANSMISSION CONTROL (TCM), REMOVAL AND INSTALLATION .
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
INTERMITTENT WIRING HARNESS AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring harness and connectors specific to this circuit.
3. Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
4. With the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  - Test Complete.