DPB_a261_WdhAsicWdCmdMissing

At least one command number for safe backbone monitoring not scheduled from system asic watchdog.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Power braking assist reduced
Braking may require increased effort

Impact

System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.

Description

At least one command number for safe backbone monitoring not scheduled from system asic watchdog.

Cause

One or more command numbers for safe backbone monitoring and tests are not scheduled by system ASIC. System ASIC defect. All 50 command numbers have to be scheduled by system ASIC during monitoring interval.

Clear condition

No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.

Models

Model Y 2025+

Visibility

customer, service-fix

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.