VCFRONT_a233 — Autopilot1 eFuse Fault

Full alert identifier: VCFRONT_a233_autopilot1EFuseFault

Alert description

The front vehicle controller (VCFRONT) detects the Autopilot 1 eFuse has tripped (circuit opened).

Potential impact

Autopilot features are unavailable.

Set condition

The Autopilot 1 eFuse high side driver (HSD) detects electrical current flow exceeding normal (expected operating) range, causing the Autopilot 1 eFuse circuit to open (trip).

Clear condition

VCFRONT detects the Autopilot 1 eFuse is no longer tripped (circuit is closed again).

Signals to check

These diagnostic fields are associated with VCFRONT_a233. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Current `VCFRONT_a233_current`	A

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a233.

VCFRONT_a234 — Autopilot2 eFuse Fault VCFRONT_a234_autopilot2EFuseFault The front vehicle controller (VCFRONT) detects the Autopilot 2 eFuse has tripped (circuit opened).
VCFRONT_a245 — Pump1 eFuse Fault VCFRONT_a245_pump1EFuseFault The front vehicle controller (VCFRONT) detects the pump 1 eFuse for the powertrain (PT) pump and condenser fan is open (tripped), interrupting electrical power supply to the PT pump and condenser fan. HVAC cabin cooling (air conditioning)…
VCFRONT_a246 — Pump2 eFuse Fault VCFRONT_a246_pump2EFuseFault The front vehicle controller (VCFRONT) detects the pump 2 eFuse for the HV battery pump and air compressor has tripped (circuit opened), interrupting electrical power supply to the HV battery pump and air compressor. Powertrain performance…
VCFRONT_a477 — Dif eFuse Fault VCFRONT_a477_difEFuseFault The front vehicle controller has opened the voltage supply circuit to the front drive inverter ECU.
VCFRONT_a177 — Mcu Audio eFuse Fault VCFRONT_a177_mcuAudioEFuseFault The Media Control Unit (MCU) Audio EFuse has tripped, making audio unavailable.

Browse all VCFRONT alert codes