Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Control Module: Testing and Inspection

Pin out chart and values for the TCM are not given in OE diagnostic manuals until 1994. The diagnostic chart above using a known good TCM is the only test available. For further control system diagnostic procedures, refer to Transmission Control Systems/Testing and Inspection/Procedures/Component Tests Component Tests and General Diagnostics