PINPOINT TEST M : The ABS Warning Indicator Is Never or Always On: Notes

Diagnostic Overview 

Refer to Instrument Panel Cluster (IPC) , ABS Warning Indicator.

Normal Operation and Fault Conditions 

If the ABS warning indicator status message is missing for less than 5 seconds, the IPC defaults the ABS warning indicator to its last state (on or off) based upon the last known good message received.

If the ABS warning indicator request message is missing for more than 5 seconds, the IPC sets DTC U0121:00 and defaults the ABS warning indicator on.