Control Unit Not Programmed

P1749

Diagnosis information - PDK

Control unit not programmed

Diagnostic conditions
The control unit initially 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
- Control unit is not programmed

Fault setting conditions
- Internal routine detects missing program version

Fault effects
- No power transmission
- Transmission limp-home indication in instrument cluster control unit