21-035-16

Transmission Shift And Drivability Enhancements For P0901-00. This bulletin involves performing transmission harness replacement per S55 recall.Both the PCM and TCM must be up to date for these changes to be effective after the transmission harness repair. Customers may experience a Malfunction Indicator Lamp (MIL) illumination after S55 recall TCM flash has been performed. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0901-00 - Clutch 1 Actuator Control Circuit Range Performance.