Variant Coding Not Valid
P1870Diagnostic information - PDK
Variant coding not valid
Diagnostic conditions
The control unit first tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are then tested and any faults are stored.
- Ignition on
Possible fault causes
- Incorrect program and data versions programmed
- Incorrect coding in vehicle order
Fault setting conditions
- Programmed data record is not valid
- Coding in vehicle order is not valid
Fault effects
- No power transmission
- Transmission limp-home display in the instrument cluster control unit
Fault remedy
- Update of the correct program version according to country identifier
- Check of the vehicle order