RADC_a046 — Wheel Speeds Err

Full alert identifier: RADC_a046_wheelSpeedsErr

Alert description

A condition prevents successful CANRX (CAN message received) for the wheel speeds message, relating to a checksum, a counter, or an out-of-bounds signal value.

Potential impact

Radar function will be disabled.

Set condition

The wheel speeds message sent from the driver assistance system (DAS) Electronic Control Unit (ECU) to the radar controller (RADC) ECU is not as expected / as required for the radar to be enabled.

Clear condition

Messages are received as expected by the radar controller (RADC) Electronic Control Unit (ECU).

Signals to check

These diagnostic fields are associated with RADC_a046. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Msg Id `RADC_a046_msgId`	—
Wheel Speeds Err Exp `RADC_a046_wheelSpeedsErrExp`	—
Wheel Speeds Err Rx `RADC_a046_wheelSpeedsErrRx`	—
Wheel Speeds Err Type `RADC_a046_wheelSpeedsErrType` 0 NONE 1 LENGTH 2 CHECKSUM 3 SEQUENCE 4 INVALID DATA 5 OVERRUN	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of RADC_a046.