174
DTC 522690 Bus Failure
Conditions for Setting the DTC
CAN Rx
Check Condition-Engine running
Fault Condition-CAN error packets lost, not received or corrupt
MIL-ON
Circuit description
The CAN bus (controller area network) is used by the ECM to communicate with other digital devices
used throughout the fuel system. Information is sent over the CAN bus in digital information “packets” that
contain information for various control functions. This fault will set if the ECM detects continuous CAN
communications hardware errors or CAN policy violations.
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