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TEST ACTION APPLICABILITY 3 With the DRBIII t, attempt to communicate with other modules on the vehicle, check for evidence of a vehicle bus problem. 9No Bus9 or is there any evidence of an overall vehicle bus problem? 45RFE AUTO TRANS Yes → Refer to the Communication Category and perform the appropri- No → 4 Turn ignition off to the lock position. 45RFE AUTO TRANS Yes → Repair the open PCI Bus circuit between the TCM and the No → 5 If there are no possible causes remaining, view repair. 45RFE AUTO TRANS Repair Replace the TCM. WITH THE DRBIII t PERFORM QUICK LEARN. 6 The conditions necessary to set this DTC are not present at this time. Using the 45RFE AUTO TRANS Yes → Repair as necessary. No → Test Complete. 91 TRANSMISSION P1716-BUS COMMUNICATION WITH PCM — Continued |