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Module Communications Network DTCS

COMMUNICATION NETWORK DTC CHART

DTC Description Action
U0001:88 High Speed CAN Communication Bus: 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 SYSTEM WIRING DIAGRAMS , Module Communications Network for additional information.
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 SYSTEM WIRING DIAGRAMS , Module Communications Network for additional 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 SYSTEM WIRING DIAGRAMS , Module Communications Network for additional 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 SYSTEM WIRING DIAGRAMS , Module Communications Network for additional 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 service information from another information GO to SYMPTOM CHART .
- All other DTCs REFER to MULTIFUNCTION ELECTRONIC MODULES .
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