Module Communications Network DTCS

COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Action
U0028:08	Vehicle Communication Bus A: Bus Signal/Message Failure	The module could not communicate on the network at a point in time. The fault is not currently present (the module had to communicate with the scan tool to report this DTC). CLEAR the DTC. REPEAT the Network Test with the scan tool. VERIFY the integrity of the connectors and wiring Refer to OEM WIRING DIAGRAMS - MODULE COMMUNICATIONS NETWORK for schematic and connector information.
U0028:88	Vehicle Communication Bus A: Bus off	The module could not communicate on the network at a point in time. The fault is not currently present (the module had to communicate with the scan tool to report this DTC). CLEAR the DTC. REPEAT the Network Test with the scan tool. VERIFY the integrity of the connectors and wiring Refer to OEM WIRING DIAGRAMS - MODULE COMMUNICATIONS NETWORK for schematic and connector information.
U0073	Control Module Communication Bus Off	The module could not communicate on the network at a point in time. The fault is not currently present (the module had to communicate with the scan tool to report this DTC). CLEAR the DTC. REPEAT the Network Test with the scan tool. VERIFY the integrity of the connectors and wiring Refer to OEM WIRING DIAGRAMS - MODULE COMMUNICATIONS NETWORK for schematic and connector information.
U2472	Unexpected Ignition State	This DTC is only set when an on-demand self-test is run with the test entry conditions not correct. CLEAR the DTC. REPEAT the self-test with the ignition in the ON position and the vehicle stationary.
U2473	Unexpected Vehicle Speed	This DTC is only set when an on-demand self-test is run with the test entry conditions not correct. CLEAR the DTC. REPEAT the self-test with the ignition in the ON position and the vehicle stationary.
-	All network DTCs referenced to this information	GO to SYMPTOM CHART .
-	All other DTCs	REFER to MULTIFUNCTION ELECTRONIC MODULES .