System Coverage

INTRODUCTION
The procedures include all of the specifications, instructions, and graphics needed to diagnose 45RFE/545RFE Electronic Automatic Transmission (EATX) problems. The diagnostics are based on the failure condition or symptom being present at the time of diagnosis.

When repairs are required, refer to the proper removal and repair procedure.

Diagnostic procedures- change every year. New diagnostic systems may be added and/or carryover systems may be enhanced. READ THIS BEFORE TRYING TO DIAGNOSE A VEHICLE TROUBLE CODE. It is recommended that you become familiar with all new and changed diagnostic procedures.

SYSTEM COVERAGE
This diagnostic covers all 2002 Model Year WJ/WG equipped with a 45RFE/ 545RFE Automatic Transmission.