Diagnostic Test

CHECK IF DTC IS CURRENT
1. With the scan tool, read Transmission DTCs.
  Is the status Active or is the Starts Since Set counter 2 or less for this DTC?
  
  Yes
  - Go to step 2
  No
  - Go to step 3
TEST DRIVE THE VEHICLE
1. With the scan tool, record and erase Transmission DTCs.
2. Test drive the vehicle at speeds above 25 km/h (16 mph).
  NOTE: It will take two single trips of problem identification to illuminate the MIL.
3. With the scan tool, read Transmission DTCs.
  Does the DTC reset?
  
  Yes
  - Repair internal transmission as necessary in accordance with the Service Information for components related to the hydraulic clutches. If no problems are found, using the schematics as a guide, check the Transmission Control Module (TCM) terminals and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Information Tune-ups or Service Bulletins for possible causes that may apply. If no problems are still not found, replace and program the Transmission Control Module Assembly (TCMA) in accordance with the Service Information.
  - Perform the MPS6 VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
  No
  - Go to step 3
CHECK WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle the wires while checking for shorted and open circuits.
4. Perform any Service Bulletins that may apply.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the MPS6 VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
  No
  - Test Complete.