Pinpoint Test Ag: Bus Off
- Refer to WIRING DIAGRAMS - AUTOMATIC CLIMATE CONTROL SYSTEM
for schematic and connector information.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition ACCM 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 since the module had to communicate with the diagnostic scan tool to report this DTC. Possible Causes
- Intermittent fault with the CAN
- AG1 DIAGNOSE THE INTERMITTENT FAULTNOTE: The module was unable to communicate on the network at a point in time. The fault is not currently present since the module had to communicate with the diagnostic scan tool to report this DTC.
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question.
- Wait at least 10 seconds.
- Using a diagnostic scan tool, carry out the self-test for the module in question.
- Verify the integrity of the connectors and wiring for the CAN.
Is the DTC still present?
Yes DIAGNOSE the CAN in question. REFER to: CONTROLLER AREA NETWORK (CAN) MODULE COMMUNICATIONS NETWORK No The system is operating correctly at this time. VERIFY the integrity of the connectors and wiring for the CAN in question.