Diagnostic Test

CHECK FOR INTERNAL TRANSMISSION PROBLEM 

1. Determine if there are any Transmission mechanical problems present.
2. Remove the Transmission Oil Pan and inspect for excessive debris or a plugged Transmission Oil Filter. Refer to FLUID AND FILTER, STANDARD PROCEDURE .
3. Inspect valve body for foreign material. Refer to VALVE BODY, REMOVAL AND INSTALLATION .

   Is there any Transmission mechanical problems present?

   Yes 

   • Repair as necessary in accordance with the Service Information.
   • Perform the AW60T VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST  .

   No 

   • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL (TCM), REMOVAL AND INSTALLATION .
   • Perform the AW60T VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST  .