Fault Conditions
Immobilizer Active. NOTE. If new T7, MIU or TWICE module, program code in TWICE.
Fault symptoms
- Engine will not 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:
- Immobilizer code from TWICE incorrect or missing.
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 Component & Function
- Type III. CHECK ENGINE does not go on.
Diagnostic help
Fault diagnosis concerns unprogrammed transponder or unprogrammed immobilizer code in TWICE.
Functions in the diagnostic tool related to the fault:
- Group FUEL CUT, reading: Trouble Code Detected, unit ON/OFF
For information, Tech 2 Menu Structure, DTC Menu, Read Value, Activate, Sys Info
NOTE: Program immobilizer code in TWICE after fitting new control module (Trionic T7, TWICE or MIU).