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_
|
— |
Cp
VCFRONT_
|
— |
Di
VCFRONT_
|
— |
Dis
VCFRONT_
|
— |
Dpb
VCFRONT_
|
— |
Dpbcal
VCFRONT_
|
— |
Epbl
VCFRONT_
|
— |
Epbr
VCFRONT_
|
— |
Show 24 more fields
| Signal | Unit |
|---|---|
Esp
VCFRONT_
|
— |
Espcal
VCFRONT_
|
— |
Gtw
VCFRONT_
|
— |
Hvp
VCFRONT_
|
— |
Ibst
VCFRONT_
|
— |
Ibstcal
VCFRONT_
|
— |
Idb
VCFRONT_
|
— |
Idb1
VCFRONT_
|
— |
Idbcal
VCFRONT_
|
— |
Lvbms
VCFRONT_
|
— |
Opc
VCFRONT_
|
— |
Opcs
VCFRONT_
|
— |
Pcs
VCFRONT_
|
— |
Pcscpu2
VCFRONT_
|
— |
Pm
VCFRONT_
|
— |
Pms
VCFRONT_
|
— |
Rcu
VCFRONT_
|
— |
Rcucal
VCFRONT_
|
— |
Sccm
VCFRONT_
|
— |
Vcbatt
VCFRONT_
|
— |
Vcfront
VCFRONT_
|
— |
Vcleft
VCFRONT_
|
— |
Vcright
VCFRONT_
|
— |
Service Mode
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a171.