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DTC Charts

NOTE: Network DTCs (U-codes) are often a result of intermittent concerns such as damaged wiring or low battery voltage occurrences. Additionally, repair procedures such as module reprogramming often set network DTCs. Replacing a module to resolve a network DTC is unlikely to correct the concern. To prevent repeat network DTC concerns, inspect all network wiring, especially connectors. Test the vehicle battery, refer to BATTERY, BATTERY MOUNTING & BATTERY CABLES article.
COMMUNICATION NETWORK DTC CHART

DTC Description Source Action
U0001 High Speed CAN Communication Bus ABS module 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.
U3000:88 Control Module: Bus Off APIM The module could not communicate on the network at a point in time. The fault is currently not present since the module is currently communicating with the scan tool reporting this DTC. CLEAR the DTC. REPEAT the network test with the scan tool.
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