Diagnostic Test

RELATED DTCS 

1. With the scan tool, read DTCs.

   Are there any related DTCs also present?

   Yes 

   • Refer to the appropriate module and perform the appropriate diagnostic procedure.
   • Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .

   No 

   NOTE:

   When replacing the TCM, data from the old TCM is transferred to the new TCM. Follow all steps in the TCM Removal procedure.

   • Using the schematics as a guide, check the Transmission Control Module (TCM) terminals and connectors for corrosion, damage or pushed out terminals. Pay particular attention to the power and ground circuits. If no problems are found, replace the TCM and perform programming procedures. Refer to MODULE, TRANSMISSION CONTROL, REMOVAL .
   • If necessary, perform the appropriate TRANSMISSION COMPONENT RELEARN PROCEDURE in accordance with the Service Information. Refer to TRANSMISSION COMPONENT RELEARN PROCEDURES .
   • Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .