Conditions

Immobilizer Active. NOTE. If new T7, MIU or TWICE module, program code in TWICE.





Fault symptoms
- Engine tails to start.

On-Board Diagnostics

Type of diagnosis:
- Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:
- Ignition ON

Fault criteria:
- No immobilizer code from TWICE or incorrect code.

Dependents:
- None.

System reaction to a fault:
- Fuel shut-off

OK report:
- Enable criteria fulfilled. Fault criteria not fulfilled within 60 s.

Fault handling: Fault Handling III, Other Emission-Related Comp. & Function
- Type III. CHECK ENGINE does not go on.

Diagnostic help
Fault diagnosis concerns unprogrammed transponder or unprogrammed immobilizer code in TWICE.

Diagnostic tool functions related to this fault are:
- Group FUEL SHUT-OFF, test reading: Trouble Code Detected, ON/OFF.

See also the description of test values under "Fault diagnosis, general" for more information.
Tech 2 Menu Structure, DTC Menu, Read Value, Activate, Sys Info

NOTE: If a new control module (Trionic T7, TWICE or MIU) is fitted, the immobilizer code must be programmed in TWICE.