Diagnostic Test

CHECK FOR OTHER TCM DIAGNOSTIC TROUBLE CODES (DTCS) 

1. With the scan tool, read Transmission Control Module (TCM) DTCs and record on the repair order.

   Were any other TCM DTCs set as active or pending?

   • Repair the other TCM DTCs. Refer to 8HP50/850RE - DIAGNOSTIC CODE INDEX .
   • Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .