PM_a057 — Can Data Bus B

Full alert identifier: PM_a057_canDataBusB

Alert description

Pedal Monitor Warning: Secondary CAN Integrity Check Failed.

Potential impact

No immediate impact, may lead to indicating an MIA condition for the offending ECU if sustained.

Set condition

This condiiton is set when CAN communication from an offending ECU is intermittent, or fails a communication integrity check on the secondary CAN bus.

Clear condition

This alert will clear when CAN communication is re-established with the offending ECU.

Signals to check

These diagnostic fields are associated with PM_a057. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Bad Value 1 `PM_a057_badValue1`	—
Bad Value 2 `PM_a057_badValue2`	—
Can ID `PM_a057_canID`	—
Error Type `PM_a057_errorType` 0 NONE 1 LENGTH SHORT 2 LENGTH LONG 3 CHECKSUM 4 SEQUENCE 5 DATA INVALID 6 UNKNOWN ID	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PM_a057.