VCFRONT_a234 — Autopilot2 eFuse Fault

Full alert identifier: VCFRONT_a234_autopilot2EFuseFault

Alert description

The front vehicle controller (VCFRONT) detects the Autopilot 2 eFuse has tripped (circuit opened).

Potential impact

Autopilot features are unavailable.

Set condition

The Autopilot 2 eFuse high side driver (HSD) detects electrical current flow exceeding normal (expected operating) range, causing the Autopilot 2 eFuse circuit to open (trip).

Clear condition

VCFRONT detects the Autopilot 2 eFuse is no longer tripped (circuit is closed again).

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal	Unit
Current `VCFRONT_a234_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_a234.

VCFRONT_a233 — Autopilot1 eFuse Fault VCFRONT_a233_autopilot1EFuseFault The front vehicle controller (VCFRONT) detects the Autopilot 1 eFuse has tripped (circuit opened).
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_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_a477 — Dif eFuse Fault VCFRONT_a477_difEFuseFault The front vehicle controller (VCFRONT) detects the front drive inverter (DIF) eFuse has tripped (circuit opened), interrupting electrical power supply to the DIF. Powertrain performance may be limited.
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