VCFRONT_a266 — EPAS3p Voltage Mismatch
Full alert identifier: VCFRONT_a266_EPAS3pVoltageMismatch
Alert description
The vehicle controller detects there is voltage mismatch greater than 0.5V between the input power to the front vehicle controller (VCFRONT) and the primary power steering circuit for the primary Electronic Power Assisted Steering (EPAS3P) electronic control unit (ECU).
Potential impact
Power steering may be limited or unavailable.
Set condition
The voltage mismatch is greater than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.
Clear condition
The voltage mismatch is less than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.
Signals to check
These diagnostic fields are associated with VCFRONT_a266. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
E Fuse Voltage
VCFRONT_
|
V |
Vbat Prot Voltage
VCFRONT_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a266.