HVBATT_a142_PackNegCtrOpenFailCurrentStillHigh

Negative contactor is expected to be open but HV current is still present. Possible weld detected.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The pyro fuse may be deployed.

Description

Negative contactor is expected to be open but HV current is still present. Possible weld detected.

Cause

Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to HV current not being low enough to open contactors.

Clear condition

Contactor state is OPEN or PULLED_IN.

Models

Cybertruck

Visibility

service

Want to track your firmware alerts, trips and more?

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