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APS_w192 — CAN Fault

Full alert identifier: APS_w192_CANFault

Alert description

Driver Assistance System (DAS) electronic control unit (ECU) detects a safety management subsystem (SMS) / Autopilot (AP) ring buffer error.

Potential impact

Some Autopilot features will be unavailable.

Set condition

DAS ECU detects a condition affecting the Controller Area Network (CAN) bus.

Clear condition

Ring buffer is operating as expected.

Signals to check

These diagnostic fields are associated with APS_w192. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Busoff APS_sw192_Busoff —
CA Nbus APS_sw192_CANbus
0
PARTY
1
CH
2
RAD0
3
VEH
4
UNKNOWN
—
Corrected Bit Error APS_sw192_CorrectedBitError —
Error Passive APS_sw192_ErrorPassive —
Ram Access Failed APS_sw192_RamAccessFailed —
Rx Msg Lost APS_sw192_RxMsgLost —
SW Tx Queue Full APS_sw192_SWTxQueueFull —
Uncorrected Bit Error APS_sw192_UncorrectedBitError —
Show 3 more fields
Signal Unit
Msg Id APS_sw192_msgId —
Msg Io APS_sw192_msgIo
0
NO MESSAGE
1
RX
2
TX
—
Queue Failure APS_sw192_queueFailure
0
NO FAILURE
1
SW
2
HW
—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APS_w192.

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