VCFRONT_a171 — Drive Blckd By Msmtch
Full alert identifier: VCFRONT_a171_driveBlckdByMsmtch
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 Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Dif
VCFRONT_
|
— |
Dir
VCFRONT_
|
— |
Direl
VCFRONT_
|
— |
Direr
VCFRONT_
|
— |
Eggleft
VCFRONT_
|
— |
Eggrear
VCFRONT_
|
— |
Eggright
VCFRONT_
|
— |
Esp
VCFRONT_
|
— |
Show 22 more fields
| Signal | Unit |
|---|---|
Gtw
VCFRONT_
|
— |
Hvbatt
VCFRONT_
|
— |
Ibst
VCFRONT_
|
— |
Pcs
VCFRONT_
|
— |
Peps
VCFRONT_
|
— |
Pepsm
VCFRONT_
|
— |
Pmf
VCFRONT_
|
— |
Pmr
VCFRONT_
|
— |
Pmrel
VCFRONT_
|
— |
Pmrer
VCFRONT_
|
— |
Psfa
VCFRONT_
|
— |
Psfam
VCFRONT_
|
— |
Rsa
VCFRONT_
|
— |
Rsam
VCFRONT_
|
— |
Seps
VCFRONT_
|
— |
Sepsm
VCFRONT_
|
— |
Ssfa
VCFRONT_
|
— |
Ssfam
VCFRONT_
|
— |
Vcleft
VCFRONT_
|
— |
Vcrear
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.