Code No. U0121: ABS-ECU/ASC-ECU CAN Time-out/Not Equipped

DIAGNOSIS CONTENT

Lost Communication

TROUBLE JUDGMENT

Check Condition

Continuously but according to the process time-raster.

Judgment Criterion

The signals cannot be received from ABS-ECU/ASC-ECU through CAN bus line.

PROBABLE CAUSE

Failed of the harness and the connector
Failed ABS-ECU <without ASC>
Failed ASC-ECU <with ASC>
Failed engine-ECU