For a complete wiring diagram Refer to Section 8W.When Monitored:Ignition on.Set Condition:The PCM gets an implausible signal over the CAN C circuit from the ABS Module. The circuit is continuously monitored. One Trip fault.Possible CausesCAN C BUS CIRCUIT SHORTEDCAN C BUS CIRCUIT OPENABS MODULEPCMAlways perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).The ABS Module sends vehicle speed information over the CAN C Bus circuit to the PCM.1. ACTIVE DTCIgnition on, engine not running.With a scan tool, select View DTCs.Is the U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED active at this time?YesGo To 2 NoRefer to the INTERMITTENT CONDITION Diagnostic Procedure.Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)2. U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT IS ACTIVEContinue reading DTCs.Is the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT Active at this time?YesRefer to the Diagnostic Procedure for the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING)NoGo To 33. ABS MODULE IS ACTIVE ON THE CAN C BUSWith the scan tool, select ECU View.Verify that the ABS Module active on the bus.Is the ABS Module active on the bus?YesGo To 4No(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for No Response diagnostic procedures.Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)4. ACTIVE DTCS IN THE TIPMWith the scan tool, select ECU View and select TIPM.With the scan tool, read active DTCs.Is the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT ACTIVE in the TIPM at this time?YesReplace the ABS Module per Service Information.Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)NoReplace and program the Powertrain Control Module per Service Information.Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)