VCFRONT_a171 — Drive Blckd By Msmtch

Full alert identifier: VCFRONT_a171_driveBlckdByMsmtch

Message shown in the car

Incompatible drive system software detected Schedule service - Unable to drive until updated

Alert description

The vehicle has detected at least one electronic control unit (ECU) running a firmware (software) version that may not be compatible with the firmware installed on the rest of the vehicle. When this occurs, the vehicle controller blocks drive to make sure no vehicle functionality is limited or unavailable due to firmware. May occur after an unsuccessful or incomplete firmware update, and may be resolved through a successful firmware update.

Potential impact

Vehicle is unable to drive until the firmware version mismatch is resolved, to make sure no vehicle functionality required for driving is limited or unavailable due to firmware.

Set condition

The vehicle detects at least one ECU required for drive functionality running a different firmware version than expected.

Clear condition

The vehicle no longer detects any ECU required for drive functionality running a different firmware version than expected.

Signals to check

These diagnostic fields are associated with VCFRONT_a171. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Bms `VCFRONT_a171_BMS`	—
Cccm `VCFRONT_a171_CCCM`	—
Cp `VCFRONT_a171_CP`	—
Dif `VCFRONT_a171_DIF`	—
Dir `VCFRONT_a171_DIR`	—
Direl `VCFRONT_a171_DIREL`	—
Direr `VCFRONT_a171_DIRER`	—
Epbl `VCFRONT_a171_EPBL`	—

Show 34 more fields

Signal	Unit
Epbr `VCFRONT_a171_EPBR`	—
Esp `VCFRONT_a171_ESP`	—
Espcal `VCFRONT_a171_ESPCAL`	—
Gtw `VCFRONT_a171_GTW`	—
Hvp `VCFRONT_a171_HVP`	—
Ibst `VCFRONT_a171_IBST`	—
Ibstcal `VCFRONT_a171_IBSTCAL`	—
Lvbms `VCFRONT_a171_LVBMS`	—
Opcf `VCFRONT_a171_OPCF`	—
Opcr `VCFRONT_a171_OPCR`	—
Opcrel1 `VCFRONT_a171_OPCREL1`	—
Opcrel2 `VCFRONT_a171_OPCREL2`	—
Opcrer `VCFRONT_a171_OPCRER`	—
Pcs `VCFRONT_a171_PCS`	—
Pcscpu2 `VCFRONT_a171_PCSCPU2`	—
Peps `VCFRONT_a171_PEPS`	—
Pepsm `VCFRONT_a171_PEPSM`	—
Pm `VCFRONT_a171_PM`	—
Pmf `VCFRONT_a171_PMF`	—
Pmr `VCFRONT_a171_PMR`	—
Pmrel `VCFRONT_a171_PMREL`	—
Pmrer `VCFRONT_a171_PMRER`	—
Psfa `VCFRONT_a171_PSFA`	—
Psfam `VCFRONT_a171_PSFAM`	—
Sccm `VCFRONT_a171_SCCM`	—
Seps `VCFRONT_a171_SEPS`	—
Sepsm `VCFRONT_a171_SEPSM`	—
Ssfa `VCFRONT_a171_SSFA`	—
Ssfam `VCFRONT_a171_SSFAM`	—
Vcbatt `VCFRONT_a171_VCBATT`	—
Vcfront `VCFRONT_a171_VCFRONT`	—
Vcleft `VCFRONT_a171_VCLEFT`	—
Vcright `VCFRONT_a171_VCRIGHT`	—
Service Mode `VCFRONT_a171_serviceMode`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a171.