Skip to content

VCREAR_a134 — Nv Ov

Full alert identifier: VCREAR_a134_NvOv

Alert description

Motor negative lead voltage is higher than expected while active

Potential impact

Caliper motor or harness may be damaged

Set condition

The negative lead voltage measurement is higher than expected. This could be higher than 0.1 voltages if motor is driven in apply direction, or higher than estimated PWM voltage if driven in the release direction.

Clear condition

Caliper state machine exits csmState CSM_FAULT

Signals to check

These diagnostic fields are associated with VCREAR_a134. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
12 V Filt VCREAR_a134_12vFilt V
Nv Filt VCREAR_a134_nvFilt V
Pv Filt VCREAR_a134_pvFilt V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCREAR_a134.

Browse all VCREAR alert codes